{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-22024", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.807Z", "datePublished": "2025-04-16T14:11:45.975Z", "dateUpdated": "2026-05-11T21:11:10.996Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:11:10.996Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix management of listener transports\n\nCurrently, when no active threads are running, a root user using nfsdctl\ncommand can try to remove a particular listener from the list of previously\nadded ones, then start the server by increasing the number of threads,\nit leads to the following problem:\n\n[ 158.835354] refcount_t: addition on 0; use-after-free.\n[ 158.835603] WARNING: CPU: 2 PID: 9145 at lib/refcount.c:25 refcount_warn_saturate+0x160/0x1a0\n[ 158.836017] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd grace overlay isofs uinput snd_seq_dummy snd_hrtimer nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables qrtr sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 videodev videobuf2_common snd_hda_codec_generic mc e1000e snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore sg loop dm_multipath dm_mod nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vmw_vmci vsock xfs libcrc32c crct10dif_ce ghash_ce vmwgfx sha2_ce sha256_arm64 sr_mod sha1_ce cdrom nvme drm_client_lib drm_ttm_helper ttm nvme_core drm_kms_helper nvme_auth drm fuse\n[ 158.840093] CPU: 2 UID: 0 PID: 9145 Comm: nfsd Kdump: loaded Tainted: G B W 6.13.0-rc6+ #7\n[ 158.840624] Tainted: [B]=BAD_PAGE, [W]=WARN\n[ 158.840802] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.24006586.BA64.2406042154 06/04/2024\n[ 158.841220] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[ 158.841563] pc : refcount_warn_saturate+0x160/0x1a0\n[ 158.841780] lr : refcount_warn_saturate+0x160/0x1a0\n[ 158.842000] sp : ffff800089be7d80\n[ 158.842147] x29: ffff800089be7d80 x28: ffff00008e68c148 x27: ffff00008e68c148\n[ 158.842492] x26: ffff0002e3b5c000 x25: ffff600011cd1829 x24: ffff00008653c010\n[ 158.842832] x23: ffff00008653c000 x22: 1fffe00011cd1829 x21: ffff00008653c028\n[ 158.843175] x20: 0000000000000002 x19: ffff00008653c010 x18: 0000000000000000\n[ 158.843505] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 158.843836] x14: 0000000000000000 x13: 0000000000000001 x12: ffff600050a26493\n[ 158.844143] x11: 1fffe00050a26492 x10: ffff600050a26492 x9 : dfff800000000000\n[ 158.844475] x8 : 00009fffaf5d9b6e x7 : ffff000285132493 x6 : 0000000000000001\n[ 158.844823] x5 : ffff000285132490 x4 : ffff600050a26493 x3 : ffff8000805e72bc\n[ 158.845174] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000098588000\n[ 158.845528] Call trace:\n[ 158.845658] refcount_warn_saturate+0x160/0x1a0 (P)\n[ 158.845894] svc_recv+0x58c/0x680 [sunrpc]\n[ 158.846183] nfsd+0x1fc/0x348 [nfsd]\n[ 158.846390] kthread+0x274/0x2f8\n[ 158.846546] ret_from_fork+0x10/0x20\n[ 158.846714] ---[ end trace 0000000000000000 ]---\n\nnfsd_nl_listener_set_doit() would manipulate the list of transports of\nserver's sv_permsocks and close the specified listener but the other\nlist of transports (server's sp_xprts list) would not be changed leading\nto the problem above.\n\nInstead, determined if the nfsdctl is trying to remove a listener, in\nwhich case, delete all the existing listener transports and re-create\nall-but-the-removed ones."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfsd/nfsctl.c"], "versions": [{"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "a84c80515ca8a0cdf6d06f1b6ca721224b08453e", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "052a34f093fb940a145493d1438e7abbfe507cdd", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82", "status": "affected", "versionType": "git"}, {"version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "d093c90892607be505e801469d6674459e69ab89", "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/nfsd/nfsctl.c"], "versions": [{"version": "6.10", "status": "affected"}, {"version": "0", "lessThan": "6.10", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.23", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13.11", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.14.2", "lessThanOrEqual": "6.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15", "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": "6.10", "versionEndExcluding": "6.12.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.13.11"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.14.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.10", "versionEndExcluding": "6.15"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a84c80515ca8a0cdf6d06f1b6ca721224b08453e"}, {"url": "https://git.kernel.org/stable/c/052a34f093fb940a145493d1438e7abbfe507cdd"}, {"url": "https://git.kernel.org/stable/c/0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82"}, {"url": "https://git.kernel.org/stable/c/d093c90892607be505e801469d6674459e69ab89"}], "title": "nfsd: fix management of listener transports", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-416", "lang": "en", "description": "CWE-416 Use After Free"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-10-01T17:05:34.999915Z", "id": "CVE-2025-22024", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T17:05:37.618Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-22024", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T17:05:34.999915Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T14:40:11.099Z"}}], "cna": {"title": "nfsd: fix management of listener transports", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "a84c80515ca8a0cdf6d06f1b6ca721224b08453e", "versionType": "git"}, {"status": "affected", "version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "052a34f093fb940a145493d1438e7abbfe507cdd", "versionType": "git"}, {"status": "affected", "version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82", "versionType": "git"}, {"status": "affected", "version": "16a471177496c8e04a9793812c187a2c1a2192fa", "lessThan": "d093c90892607be505e801469d6674459e69ab89", "versionType": "git"}], "programFiles": ["fs/nfsd/nfsctl.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "6.10"}, {"status": "unaffected", "version": "0", "lessThan": "6.10", "versionType": "semver"}, {"status": "unaffected", "version": "6.12.23", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.13.11", "versionType": "semver", "lessThanOrEqual": "6.13.*"}, {"status": "unaffected", "version": "6.14.2", "versionType": "semver", "lessThanOrEqual": "6.14.*"}, {"status": "unaffected", "version": "6.15", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/nfsd/nfsctl.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/a84c80515ca8a0cdf6d06f1b6ca721224b08453e"}, {"url": "https://git.kernel.org/stable/c/052a34f093fb940a145493d1438e7abbfe507cdd"}, {"url": "https://git.kernel.org/stable/c/0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82"}, {"url": "https://git.kernel.org/stable/c/d093c90892607be505e801469d6674459e69ab89"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix management of listener transports\n\nCurrently, when no active threads are running, a root user using nfsdctl\ncommand can try to remove a particular listener from the list of previously\nadded ones, then start the server by increasing the number of threads,\nit leads to the following problem:\n\n[ 158.835354] refcount_t: addition on 0; use-after-free.\n[ 158.835603] WARNING: CPU: 2 PID: 9145 at lib/refcount.c:25 refcount_warn_saturate+0x160/0x1a0\n[ 158.836017] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd grace overlay isofs uinput snd_seq_dummy snd_hrtimer nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables qrtr sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 videodev videobuf2_common snd_hda_codec_generic mc e1000e snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore sg loop dm_multipath dm_mod nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vmw_vmci vsock xfs libcrc32c crct10dif_ce ghash_ce vmwgfx sha2_ce sha256_arm64 sr_mod sha1_ce cdrom nvme drm_client_lib drm_ttm_helper ttm nvme_core drm_kms_helper nvme_auth drm fuse\n[ 158.840093] CPU: 2 UID: 0 PID: 9145 Comm: nfsd Kdump: loaded Tainted: G B W 6.13.0-rc6+ #7\n[ 158.840624] Tainted: [B]=BAD_PAGE, [W]=WARN\n[ 158.840802] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.24006586.BA64.2406042154 06/04/2024\n[ 158.841220] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[ 158.841563] pc : refcount_warn_saturate+0x160/0x1a0\n[ 158.841780] lr : refcount_warn_saturate+0x160/0x1a0\n[ 158.842000] sp : ffff800089be7d80\n[ 158.842147] x29: ffff800089be7d80 x28: ffff00008e68c148 x27: ffff00008e68c148\n[ 158.842492] x26: ffff0002e3b5c000 x25: ffff600011cd1829 x24: ffff00008653c010\n[ 158.842832] x23: ffff00008653c000 x22: 1fffe00011cd1829 x21: ffff00008653c028\n[ 158.843175] x20: 0000000000000002 x19: ffff00008653c010 x18: 0000000000000000\n[ 158.843505] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 158.843836] x14: 0000000000000000 x13: 0000000000000001 x12: ffff600050a26493\n[ 158.844143] x11: 1fffe00050a26492 x10: ffff600050a26492 x9 : dfff800000000000\n[ 158.844475] x8 : 00009fffaf5d9b6e x7 : ffff000285132493 x6 : 0000000000000001\n[ 158.844823] x5 : ffff000285132490 x4 : ffff600050a26493 x3 : ffff8000805e72bc\n[ 158.845174] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000098588000\n[ 158.845528] Call trace:\n[ 158.845658] refcount_warn_saturate+0x160/0x1a0 (P)\n[ 158.845894] svc_recv+0x58c/0x680 [sunrpc]\n[ 158.846183] nfsd+0x1fc/0x348 [nfsd]\n[ 158.846390] kthread+0x274/0x2f8\n[ 158.846546] ret_from_fork+0x10/0x20\n[ 158.846714] ---[ end trace 0000000000000000 ]---\n\nnfsd_nl_listener_set_doit() would manipulate the list of transports of\nserver's sv_permsocks and close the specified listener but the other\nlist of transports (server's sp_xprts list) would not be changed leading\nto the problem above.\n\nInstead, determined if the nfsdctl is trying to remove a listener, in\nwhich case, delete all the existing listener transports and re-create\nall-but-the-removed ones."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.23", "versionStartIncluding": "6.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.13.11", "versionStartIncluding": "6.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.14.2", "versionStartIncluding": "6.10"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.15", "versionStartIncluding": "6.10"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-26T05:16:50.917Z"}}}, "cveMetadata": {"cveId": "CVE-2025-22024", "state": "PUBLISHED", "dateUpdated": "2025-10-01T17:05:37.618Z", "dateReserved": "2024-12-29T08:45:45.807Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-04-16T14:11:45.975Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD08468B-6C62-4470-90F6-7F16F10CF3B4", "versionEndExcluding": "6.12.23", "versionStartIncluding": "6.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E7E864B0-8C00-4679-BA55-659B4C9C3AD3", "versionEndExcluding": "6.13.11", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FADAE5D8-4808-442C-B218-77B2CE8780A0", "versionEndExcluding": "6.14.2", "versionStartIncluding": "6.14", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix management of listener transports\n\nCurrently, when no active threads are running, a root user using nfsdctl\ncommand can try to remove a particular listener from the list of previously\nadded ones, then start the server by increasing the number of threads,\nit leads to the following problem:\n\n[ 158.835354] refcount_t: addition on 0; use-after-free.\n[ 158.835603] WARNING: CPU: 2 PID: 9145 at lib/refcount.c:25 refcount_warn_saturate+0x160/0x1a0\n[ 158.836017] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd grace overlay isofs uinput snd_seq_dummy snd_hrtimer nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables qrtr sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 videodev videobuf2_common snd_hda_codec_generic mc e1000e snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore sg loop dm_multipath dm_mod nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vmw_vmci vsock xfs libcrc32c crct10dif_ce ghash_ce vmwgfx sha2_ce sha256_arm64 sr_mod sha1_ce cdrom nvme drm_client_lib drm_ttm_helper ttm nvme_core drm_kms_helper nvme_auth drm fuse\n[ 158.840093] CPU: 2 UID: 0 PID: 9145 Comm: nfsd Kdump: loaded Tainted: G B W 6.13.0-rc6+ #7\n[ 158.840624] Tainted: [B]=BAD_PAGE, [W]=WARN\n[ 158.840802] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.24006586.BA64.2406042154 06/04/2024\n[ 158.841220] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[ 158.841563] pc : refcount_warn_saturate+0x160/0x1a0\n[ 158.841780] lr : refcount_warn_saturate+0x160/0x1a0\n[ 158.842000] sp : ffff800089be7d80\n[ 158.842147] x29: ffff800089be7d80 x28: ffff00008e68c148 x27: ffff00008e68c148\n[ 158.842492] x26: ffff0002e3b5c000 x25: ffff600011cd1829 x24: ffff00008653c010\n[ 158.842832] x23: ffff00008653c000 x22: 1fffe00011cd1829 x21: ffff00008653c028\n[ 158.843175] x20: 0000000000000002 x19: ffff00008653c010 x18: 0000000000000000\n[ 158.843505] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 158.843836] x14: 0000000000000000 x13: 0000000000000001 x12: ffff600050a26493\n[ 158.844143] x11: 1fffe00050a26492 x10: ffff600050a26492 x9 : dfff800000000000\n[ 158.844475] x8 : 00009fffaf5d9b6e x7 : ffff000285132493 x6 : 0000000000000001\n[ 158.844823] x5 : ffff000285132490 x4 : ffff600050a26493 x3 : ffff8000805e72bc\n[ 158.845174] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000098588000\n[ 158.845528] Call trace:\n[ 158.845658] refcount_warn_saturate+0x160/0x1a0 (P)\n[ 158.845894] svc_recv+0x58c/0x680 [sunrpc]\n[ 158.846183] nfsd+0x1fc/0x348 [nfsd]\n[ 158.846390] kthread+0x274/0x2f8\n[ 158.846546] ret_from_fork+0x10/0x20\n[ 158.846714] ---[ end trace 0000000000000000 ]---\n\nnfsd_nl_listener_set_doit() would manipulate the list of transports of\nserver's sv_permsocks and close the specified listener but the other\nlist of transports (server's sp_xprts list) would not be changed leading\nto the problem above.\n\nInstead, determined if the nfsdctl is trying to remove a listener, in\nwhich case, delete all the existing listener transports and re-create\nall-but-the-removed ones."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nfsd: correcci\u00f3n de la gesti\u00f3n de los transportes de escucha Actualmente, cuando no se est\u00e1n ejecutando subprocesos activos, un usuario root que usa el comando nfsdctl puede intentar eliminar un oyente en particular de la lista de los agregados previamente y luego iniciar el servidor aumentando el n\u00famero de subprocesos, lo que conduce al siguiente problema: [ 158.835354] refcount_t: adici\u00f3n en 0; use-after-free. [ 158.835603] WARNING: CPU: 2 PID: 9145 at lib/refcount.c:25 refcount_warn_saturate+0x160/0x1a0 [ 158.836017] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd grace overlay isofs uinput snd_seq_dummy snd_hrtimer nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables qrtr sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 videodev videobuf2_common snd_hda_codec_generic mc e1000e snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore sg loop dm_multipath dm_mod nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vmw_vmci vsock xfs libcrc32c crct10dif_ce ghash_ce vmwgfx sha2_ce sha256_arm64 sr_mod sha1_ce cdrom nvme drm_client_lib drm_ttm_helper ttm nvme_core drm_kms_helper nvme_auth drm fuse [ 158.840093] CPU: 2 UID: 0 PID: 9145 Comm: nfsd Kdump: loaded Tainted: G B W 6.13.0-rc6+ #7 [ 158.840624] Tainted: [B]=BAD_PAGE, [W]=WARN [ 158.840802] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.24006586.BA64.2406042154 06/04/2024 [ 158.841220] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [ 158.841563] pc : refcount_warn_saturate+0x160/0x1a0 [ 158.841780] lr : refcount_warn_saturate+0x160/0x1a0 [ 158.842000] sp : ffff800089be7d80 [ 158.842147] x29: ffff800089be7d80 x28: ffff00008e68c148 x27: ffff00008e68c148 [ 158.842492] x26: ffff0002e3b5c000 x25: ffff600011cd1829 x24: ffff00008653c010 [ 158.842832] x23: ffff00008653c000 x22: 1fffe00011cd1829 x21: ffff00008653c028 [ 158.843175] x20: 0000000000000002 x19: ffff00008653c010 x18: 0000000000000000 [ 158.843505] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000 [ 158.843836] x14: 0000000000000000 x13: 0000000000000001 x12: ffff600050a26493 [ 158.844143] x11: 1fffe00050a26492 x10: ffff600050a26492 x9 : dfff800000000000 [ 158.844475] x8 : 00009fffaf5d9b6e x7 : ffff000285132493 x6 : 0000000000000001 [ 158.844823] x5 : ffff000285132490 x4 : ffff600050a26493 x3 : ffff8000805e72bc [ 158.845174] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000098588000 [ 158.845528] Call trace: [ 158.845658] refcount_warn_saturate+0x160/0x1a0 (P) [ 158.845894] svc_recv+0x58c/0x680 [sunrpc] [ 158.846183] nfsd+0x1fc/0x348 [nfsd] [ 158.846390] kthread+0x274/0x2f8 [ 158.846546] ret_from_fork+0x10/0x20 [ 158.846714] ---[ end trace 0000000000000000 ]--- nfsd_nl_listener_set_doit() manipular\u00eda la lista de transportes de sv_permsocks del servidor y cerrar\u00eda el oyente especificado pero la otra lista de transportes La lista sp_xprts del servidor no se modificar\u00eda, lo que causar\u00eda el problema mencionado. En su lugar, se determinar\u00eda si nfsdctl intenta eliminar un receptor. En ese caso, se eliminar\u00edan todos los transportes de receptores existentes y se volver\u00edan a crear todos excepto los eliminados."}], "id": "CVE-2025-22024", "lastModified": "2025-10-01T17:15:42.923", "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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2025-04-16T15:15:55.030", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/052a34f093fb940a145493d1438e7abbfe507cdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0f42df0ab2b11ea6b2884bdaf6dbc3be6dde7e82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a84c80515ca8a0cdf6d06f1b6ca721224b08453e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d093c90892607be505e801469d6674459e69ab89"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: nfsd: fix management of listener transports", "id": "2360203", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2360203"}, "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": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfsd: fix management of listener transports\nCurrently, when no active threads are running, a root user using nfsdctl\ncommand can try to remove a particular listener from the list of previously\nadded ones, then start the server by increasing the number of threads,\nit leads to the following problem:\n[ 158.835354] refcount_t: addition on 0; use-after-free.\n[ 158.835603] WARNING: CPU: 2 PID: 9145 at lib/refcount.c:25 refcount_warn_saturate+0x160/0x1a0\n[ 158.836017] Modules linked in: rpcrdma rdma_cm iw_cm ib_cm ib_core nfsd auth_rpcgss nfs_acl lockd grace overlay isofs uinput snd_seq_dummy snd_hrtimer nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nf_tables qrtr sunrpc vfat fat uvcvideo videobuf2_vmalloc videobuf2_memops uvc videobuf2_v4l2 videodev videobuf2_common snd_hda_codec_generic mc e1000e snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hda_core snd_hwdep snd_seq snd_seq_device snd_pcm snd_timer snd soundcore sg loop dm_multipath dm_mod nfnetlink vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vmw_vmci vsock xfs libcrc32c crct10dif_ce ghash_ce vmwgfx sha2_ce sha256_arm64 sr_mod sha1_ce cdrom nvme drm_client_lib drm_ttm_helper ttm nvme_core drm_kms_helper nvme_auth drm fuse\n[ 158.840093] CPU: 2 UID: 0 PID: 9145 Comm: nfsd Kdump: loaded Tainted: G B W 6.13.0-rc6+ #7\n[ 158.840624] Tainted: [B]=BAD_PAGE, [W]=WARN\n[ 158.840802] Hardware name: VMware, Inc. VMware20,1/VBSA, BIOS VMW201.00V.24006586.BA64.2406042154 06/04/2024\n[ 158.841220] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)\n[ 158.841563] pc : refcount_warn_saturate+0x160/0x1a0\n[ 158.841780] lr : refcount_warn_saturate+0x160/0x1a0\n[ 158.842000] sp : ffff800089be7d80\n[ 158.842147] x29: ffff800089be7d80 x28: ffff00008e68c148 x27: ffff00008e68c148\n[ 158.842492] x26: ffff0002e3b5c000 x25: ffff600011cd1829 x24: ffff00008653c010\n[ 158.842832] x23: ffff00008653c000 x22: 1fffe00011cd1829 x21: ffff00008653c028\n[ 158.843175] x20: 0000000000000002 x19: ffff00008653c010 x18: 0000000000000000\n[ 158.843505] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 158.843836] x14: 0000000000000000 x13: 0000000000000001 x12: ffff600050a26493\n[ 158.844143] x11: 1fffe00050a26492 x10: ffff600050a26492 x9 : dfff800000000000\n[ 158.844475] x8 : 00009fffaf5d9b6e x7 : ffff000285132493 x6 : 0000000000000001\n[ 158.844823] x5 : ffff000285132490 x4 : ffff600050a26493 x3 : ffff8000805e72bc\n[ 158.845174] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000098588000\n[ 158.845528] Call trace:\n[ 158.845658] refcount_warn_saturate+0x160/0x1a0 (P)\n[ 158.845894] svc_recv+0x58c/0x680 [sunrpc]\n[ 158.846183] nfsd+0x1fc/0x348 [nfsd]\n[ 158.846390] kthread+0x274/0x2f8\n[ 158.846546] ret_from_fork+0x10/0x20\n[ 158.846714] ---[ end trace 0000000000000000 ]---\nnfsd_nl_listener_set_doit() would manipulate the list of transports of\nserver's sv_permsocks and close the specified listener but the other\nlist of transports (server's sp_xprts list) would not be changed leading\nto the problem above.\nInstead, determined if the nfsdctl is trying to remove a listener, in\nwhich case, delete all the existing listener transports and re-create\nall-but-the-removed ones."], "name": "CVE-2025-22024", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22024\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22024\nhttps://lore.kernel.org/linux-cve-announce/2025041654-CVE-2025-22024-016b@gregkh/T"], "threat_severity": "Moderate"}

{}