{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-36939", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-30T15:25:07.071Z", "datePublished": "2024-05-30T15:29:27.517Z", "dateUpdated": "2026-05-12T11:54:17.924Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:17:25.913Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Handle error of rpc_proc_register() in nfs_net_init().\n\nsyzkaller reported a warning [0] triggered while destroying immature\nnetns.\n\nrpc_proc_register() was called in init_nfs_fs(), but its error\nhas been ignored since at least the initial commit 1da177e4c3f4\n(\"Linux-2.6.12-rc2\").\n\nRecently, commit d47151b79e32 (\"nfs: expose /proc/net/sunrpc/nfs\nin net namespaces\") converted the procfs to per-netns and made\nthe problem more visible.\n\nEven when rpc_proc_register() fails, nfs_net_init() could succeed,\nand thus nfs_net_exit() will be called while destroying the netns.\n\nThen, remove_proc_entry() will be called for non-existing proc\ndirectory and trigger the warning below.\n\nLet's handle the error of rpc_proc_register() properly in nfs_net_init().\n\n[0]:\nname 'nfs'\nWARNING: CPU: 1 PID: 1710 at fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nCode: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff <0f> 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb\nRSP: 0018:ffffc9000c6d7ce0 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c\nRDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001\nRBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc\nR13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: ffffffff85741ff8\nFS: 00007f30cfba8640(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff51afe8000 CR3: 000000005a60a005 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n rpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310\n nfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438\n ops_exit_list+0x62/0xb0 net/core/net_namespace.c:170\n setup_net+0x46c/0x660 net/core/net_namespace.c:372\n copy_net_ns+0x244/0x590 net/core/net_namespace.c:505\n create_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228\n ksys_unshare+0x342/0x760 kernel/fork.c:3322\n __do_sys_unshare kernel/fork.c:3393 [inline]\n __se_sys_unshare kernel/fork.c:3391 [inline]\n __x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x46/0x4e\nRIP: 0033:0x7f30d0febe5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600\nRBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002\nR13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000\n </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfs/inode.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b33ca18c3a1190208dfd569c4fa8a2f93084709f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d4891d817350c67392d4731536945f3809a2a0ba", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8ae63bd858691bee0e2a92571f2fbb36a4d86d65", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "8a1f89c98dcc542dd6d287e573523714702e0f9c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9909dde2e53a19585212c32fe3eda482b5faaaa3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "24457f1be29f1e7042e50a7749f5c2dde8c433c8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfs/inode.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.276", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.217", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.159", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.91", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.31", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.8.10", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.4.276"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.159"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.8.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f"}, {"url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba"}, {"url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021"}, {"url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65"}, {"url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c"}, {"url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3"}, {"url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8"}], "title": "nfs: Handle error of rpc_proc_register() in nfs_net_init().", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36939", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-03T18:55:43.324430Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:48:06.262Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:43:50.092Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html", "tags": ["x_transferred"]}]}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T11:54:17.924Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem", "versions": [{"status": "affected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}], "references": [{"url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}]}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:43:50.092Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36939", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-03T18:55:43.324430Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-03T18:56:31.865Z"}}], "cna": {"title": "nfs: Handle error of rpc_proc_register() in nfs_net_init().", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1da177e4c3f4", "lessThan": "b33ca18c3a11", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "d4891d817350", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "ea6ce93327bd", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "8ae63bd85869", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "8a1f89c98dcc", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "9909dde2e53a", "versionType": "git"}, {"status": "affected", "version": "1da177e4c3f4", "lessThan": "24457f1be29f", "versionType": "git"}], "programFiles": ["fs/nfs/inode.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.12"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.12", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.276", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.217", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.159", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.91", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.31", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.8.10", "versionType": "semver", "lessThanOrEqual": "6.8.*"}, {"status": "unaffected", "version": "6.9", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/nfs/inode.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f"}, {"url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba"}, {"url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021"}, {"url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65"}, {"url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c"}, {"url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3"}, {"url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8"}], "x_generator": {"engine": "bippy-9e1c9544281a"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: Handle error of rpc_proc_register() in nfs_net_init().\n\nsyzkaller reported a warning [0] triggered while destroying immature\nnetns.\n\nrpc_proc_register() was called in init_nfs_fs(), but its error\nhas been ignored since at least the initial commit 1da177e4c3f4\n(\"Linux-2.6.12-rc2\").\n\nRecently, commit d47151b79e32 (\"nfs: expose /proc/net/sunrpc/nfs\nin net namespaces\") converted the procfs to per-netns and made\nthe problem more visible.\n\nEven when rpc_proc_register() fails, nfs_net_init() could succeed,\nand thus nfs_net_exit() will be called while destroying the netns.\n\nThen, remove_proc_entry() will be called for non-existing proc\ndirectory and trigger the warning below.\n\nLet's handle the error of rpc_proc_register() properly in nfs_net_init().\n\n[0]:\nname 'nfs'\nWARNING: CPU: 1 PID: 1710 at fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nCode: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff <0f> 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb\nRSP: 0018:ffffc9000c6d7ce0 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c\nRDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001\nRBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc\nR13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: ffffffff85741ff8\nFS: 00007f30cfba8640(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff51afe8000 CR3: 000000005a60a005 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n rpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310\n nfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438\n ops_exit_list+0x62/0xb0 net/core/net_namespace.c:170\n setup_net+0x46c/0x660 net/core/net_namespace.c:372\n copy_net_ns+0x244/0x590 net/core/net_namespace.c:505\n create_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228\n ksys_unshare+0x342/0x760 kernel/fork.c:3322\n __do_sys_unshare kernel/fork.c:3393 [inline]\n __se_sys_unshare kernel/fork.c:3391 [inline]\n __x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x46/0x4e\nRIP: 0033:0x7f30d0febe5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600\nRBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002\nR13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000\n </TASK>"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-05T09:28:27.292Z"}}}, "cveMetadata": {"cveId": "CVE-2024-36939", "state": "PUBLISHED", "dateUpdated": "2024-11-05T09:28:27.292Z", "dateReserved": "2024-05-30T15:25:07.071Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-30T15:29:27.517Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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the warning below.\n\nLet's handle the error of rpc_proc_register() properly in nfs_net_init().\n\n[0]:\nname 'nfs'\nWARNING: CPU: 1 PID: 1710 at fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nCode: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff <0f> 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb\nRSP: 0018:ffffc9000c6d7ce0 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c\nRDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001\nRBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc\nR13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: ffffffff85741ff8\nFS: 00007f30cfba8640(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff51afe8000 CR3: 000000005a60a005 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n <TASK>\n rpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310\n nfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438\n ops_exit_list+0x62/0xb0 net/core/net_namespace.c:170\n setup_net+0x46c/0x660 net/core/net_namespace.c:372\n copy_net_ns+0x244/0x590 net/core/net_namespace.c:505\n create_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110\n unshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228\n ksys_unshare+0x342/0x760 kernel/fork.c:3322\n __do_sys_unshare kernel/fork.c:3393 [inline]\n __se_sys_unshare kernel/fork.c:3391 [inline]\n __x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x46/0x4e\nRIP: 0033:0x7f30d0febe5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600\nRBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002\nR13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000\n </TASK>"}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: nfs: Maneja el error de rpc_proc_register() en nfs_net_init(). syzkaller inform\u00f3 que se activ\u00f3 una advertencia [0] al destruir redes inmaduras. Se llam\u00f3 a rpc_proc_register() en init_nfs_fs(), pero su error se ignor\u00f3 al menos desde el commit inicial 1da177e4c3f4 (\"Linux-2.6.12-rc2\"). Recientemente, el commit d47151b79e32 (\"nfs: exponen /proc/net/sunrpc/nfs in net namespaces\") convirti\u00f3 los procfs a per-netns e hizo que el problema fuera m\u00e1s visible. Incluso cuando rpc_proc_register() falla, nfs_net_init() podr\u00eda tener \u00e9xito y, por lo tanto, se llamar\u00e1 a nfs_net_exit() mientras se destruyen las redes. Luego, se llamar\u00e1 a remove_proc_entry() para un directorio proc no existente y se activar\u00e1 la siguiente advertencia. Manejemos el error de rpc_proc_register() correctamente en nfs_net_init(). [0]: nombre 'nfs' ADVERTENCIA: CPU: 1 PID: 1710 en fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711 M\u00f3dulos vinculados en: CPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/ 01/2014 RIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711 C\u00f3digo: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff &lt;0f&gt; 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb RSP: 0018:ffffc9000c6d7ce0 EFLAGS: 10286 RAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c RDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001 RBP: 0000000000000000 R08: 00000000 00000001 R09: 0000000000000000 R10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc R13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: 5741ff8 FS: 00007f30cfba8640(0000) GS: ffff88807dd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff51afe8000 CR3: 000000005a60a005 0000000000770ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000000000 DR6: 00000000ffe0ff0 DR7: 000000400 PKRU: 55555554 Llamar Seguimiento: rpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310 nfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438 ops_exit_list+0x62/0xb0 net/core/net_namespace.c:170 setup_net+0x46c /0x660 net/core/net_namespace.c:372 copy_net_ns+0x244/0x590 net/core/net_namespace.c:505 create_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228 ksys_unshare +0x342/0x760 kernel/fork.c:3322 __do_sys_unshare kernel/fork.c:3393 [en l\u00ednea] __se_sys_unshare kernel/fork.c:3391 [en l\u00ednea] __x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391 do_syscall_x64 arch/x86/ entrada/common.c:52 [en l\u00ednea] do_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83 entrada_SYSCALL_64_after_hwframe+0x46/0x4e RIP: 0033:0x7f30d0febe5d C\u00f3digo: ff c3 66 2e 0f 1f 84 00 00 0 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 &lt;48&gt; 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 RSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d X: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600 RBP: 00000000004bbf80 R08: 00000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000 "}], "id": "CVE-2024-36939", "lastModified": "2026-05-12T12:16:50.533", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-05-30T16:15:16.977", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24457f1be29f1e7042e50a7749f5c2dde8c433c8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8a1f89c98dcc542dd6d287e573523714702e0f9c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8ae63bd858691bee0e2a92571f2fbb36a4d86d65"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9909dde2e53a19585212c32fe3eda482b5faaaa3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b33ca18c3a1190208dfd569c4fa8a2f93084709f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d4891d817350c67392d4731536945f3809a2a0ba"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea6ce93327bd2c8a0c6cf6f2f0e800f3b778f021"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:7001", "cpe": "cpe:/a:redhat:enterprise_linux:8::nfv", "package": "kernel-rt-0:4.18.0-553.22.1.rt7.363.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:7000", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-553.22.1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-09-24T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2025:3935", "cpe": "cpe:/a:redhat:rhel_eus:9.4", "package": "kernel-0:5.14.0-427.65.1.el9_4", "product_name": "Red Hat Enterprise Linux 9.4 Extended Update Support", "release_date": "2025-04-16T00:00:00Z"}], "bugzilla": {"description": "kernel: nfs: Handle error of rpc_proc_register() in nfs_net_init().", "id": "2284628", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284628"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfs: Handle error of rpc_proc_register() in nfs_net_init().\nsyzkaller reported a warning [0] triggered while destroying immature\nnetns.\nrpc_proc_register() was called in init_nfs_fs(), but its error\nhas been ignored since at least the initial commit 1da177e4c3f4\n(\"Linux-2.6.12-rc2\").\nRecently, commit d47151b79e32 (\"nfs: expose /proc/net/sunrpc/nfs\nin net namespaces\") converted the procfs to per-netns and made\nthe problem more visible.\nEven when rpc_proc_register() fails, nfs_net_init() could succeed,\nand thus nfs_net_exit() will be called while destroying the netns.\nThen, remove_proc_entry() will be called for non-existing proc\ndirectory and trigger the warning below.\nLet's handle the error of rpc_proc_register() properly in nfs_net_init().\n[0]:\nname 'nfs'\nWARNING: CPU: 1 PID: 1710 at fs/proc/generic.c:711 remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nModules linked in:\nCPU: 1 PID: 1710 Comm: syz-executor.2 Not tainted 6.8.0-12822-gcd51db110a7e #12\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nRIP: 0010:remove_proc_entry+0x1bb/0x2d0 fs/proc/generic.c:711\nCode: 41 5d 41 5e c3 e8 85 09 b5 ff 48 c7 c7 88 58 64 86 e8 09 0e 71 02 e8 74 09 b5 ff 4c 89 e6 48 c7 c7 de 1b 80 84 e8 c5 ad 97 ff <0f> 0b eb b1 e8 5c 09 b5 ff 48 c7 c7 88 58 64 86 e8 e0 0d 71 02 eb\nRSP: 0018:ffffc9000c6d7ce0 EFLAGS: 00010286\nRAX: 0000000000000000 RBX: ffff8880422b8b00 RCX: ffffffff8110503c\nRDX: ffff888030652f00 RSI: ffffffff81105045 RDI: 0000000000000001\nRBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: ffffffff81bb62cb R12: ffffffff84807ffc\nR13: ffff88804ad6fcc0 R14: ffffffff84807ffc R15: ffffffff85741ff8\nFS: 00007f30cfba8640(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007ff51afe8000 CR3: 000000005a60a005 CR4: 0000000000770ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n<TASK>\nrpc_proc_unregister+0x64/0x70 net/sunrpc/stats.c:310\nnfs_net_exit+0x1c/0x30 fs/nfs/inode.c:2438\nops_exit_list+0x62/0xb0 net/core/net_namespace.c:170\nsetup_net+0x46c/0x660 net/core/net_namespace.c:372\ncopy_net_ns+0x244/0x590 net/core/net_namespace.c:505\ncreate_new_namespaces+0x2ed/0x770 kernel/nsproxy.c:110\nunshare_nsproxy_namespaces+0xae/0x160 kernel/nsproxy.c:228\nksys_unshare+0x342/0x760 kernel/fork.c:3322\n__do_sys_unshare kernel/fork.c:3393 [inline]\n__se_sys_unshare kernel/fork.c:3391 [inline]\n__x64_sys_unshare+0x1f/0x30 kernel/fork.c:3391\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0x4f/0x110 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x46/0x4e\nRIP: 0033:0x7f30d0febe5d\nCode: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48\nRSP: 002b:00007f30cfba7cc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000110\nRAX: ffffffffffffffda RBX: 00000000004bbf80 RCX: 00007f30d0febe5d\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000006c020600\nRBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002\nR13: 000000000000000b R14: 00007f30d104c530 R15: 0000000000000000\n</TASK>"], "name": "CVE-2024-36939", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36939\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36939\nhttps://lore.kernel.org/linux-cve-announce/2024053043-CVE-2024-36939-8453@gregkh/T"], "threat_severity": "Moderate"}

{}