{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-36902", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-30T15:25:07.066Z", "datePublished": "2024-05-30T15:29:04.298Z", "dateUpdated": "2026-05-12T11:54:00.838Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T20:16:42.400Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()\n\nsyzbot is able to trigger the following crash [1],\ncaused by unsafe ip6_dst_idev() use.\n\nIndeed ip6_dst_idev() can return NULL, and must always be checked.\n\n[1]\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 0 PID: 31648 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\n RIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]\n RIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267\nCode: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c\nRSP: 0018:ffffc9000fc1f2f0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 1a772f98c8186700\nRDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760\nRBP: ffff8880673fb980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd\nR10: dffffc0000000000 R11: fffffbfff1f582be R12: dffffc0000000000\nR13: 0000000000000080 R14: ffff888076509000 R15: ffff88807a029a00\nFS: 00007f55e82ca6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n fib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317\n fib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108\n ip6_route_output_flags_noref net/ipv6/route.c:2637 [inline]\n ip6_route_output_flags+0x38e/0x610 net/ipv6/route.c:2649\n ip6_route_output include/net/ip6_route.h:93 [inline]\n ip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120\n ip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250\n sctp_v6_get_dst+0x792/0x1e20 net/sctp/ipv6.c:326\n sctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455\n sctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662\n sctp_connect_new_asoc+0x31d/0x6c0 net/sctp/socket.c:1099\n __sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197\n sctp_connect net/sctp/socket.c:4819 [inline]\n sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834\n __sys_connect_file net/socket.c:2048 [inline]\n __sys_connect+0x2df/0x310 net/socket.c:2065\n __do_sys_connect net/socket.c:2075 [inline]\n __se_sys_connect net/socket.c:2072 [inline]\n __x64_sys_connect+0x7a/0x90 net/socket.c:2072\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/ipv6/fib6_rules.c"], "versions": [{"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "4a5a573387da6a6b23a4cc62147453ff1bc32afa", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "ddec23f206a944c73bcc2724358b85388837daff", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "674c951ab8a23f7aff9b4c3f2f865901bc76a290", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "35297fc68de36826087e976f86a5b1f94fd0bf95", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "7e3242c139c38e60844638e394c2877b16b396b0", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "8745a8d74ba17dafe72b6ab461fa6c007d879747", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "1876881c9a49613b5249fb400cbf53412d90cb09", "status": "affected", "versionType": "git"}, {"version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "d101291b2681e5ab938554e3e323f7a7ee33e3aa", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": 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"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": "2.6.26", "versionEndExcluding": "4.19.314"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.4.276"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.10.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "5.15.159"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.1.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.6.31"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.8.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.26", "versionEndExcluding": "6.9"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa"}, {"url": "https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff"}, {"url": "https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290"}, {"url": "https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95"}, {"url": "https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0"}, {"url": "https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747"}, {"url": 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{"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-09-26T15:03:09.186Z"}}, {"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-05-12T11:54:00.838Z"}, "affected": [{"vendor": "Siemens", "product": "RUGGEDCOM RST2428P", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family", "versions": [{"status": "unaffected", "version": "0", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SCALANCE XCM-/XRM-/XCH-/XRH-300 family", "versions": [{"status": "affected", "version": "0", "lessThan": "V3.1", "versionType": "custom"}], "defaultStatus": "unknown"}, {"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"}, {"url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}]}]}, "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": ["x_transferred"]}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html", "tags": ["x_transferred"]}, {"url": "https://security.netapp.com/advisory/ntap-20240926-0002/"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-09-26T15:03:09.186Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-36902", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-30T18:53:30.406857Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-30T18:53:38.826Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "4a5a573387da6a6b23a4cc62147453ff1bc32afa", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "ddec23f206a944c73bcc2724358b85388837daff", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "674c951ab8a23f7aff9b4c3f2f865901bc76a290", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "35297fc68de36826087e976f86a5b1f94fd0bf95", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "7e3242c139c38e60844638e394c2877b16b396b0", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "8745a8d74ba17dafe72b6ab461fa6c007d879747", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "1876881c9a49613b5249fb400cbf53412d90cb09", "versionType": "git"}, {"status": "affected", "version": "5e5f3f0f801321078c897a5de0b4b4304f234da0", "lessThan": "d101291b2681e5ab938554e3e323f7a7ee33e3aa", "versionType": "git"}], "programFiles": ["net/ipv6/fib6_rules.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.26"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.26", "versionType": "semver"}, {"status": "unaffected", "version": "4.19.314", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"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": ["net/ipv6/fib6_rules.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa"}, {"url": "https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff"}, {"url": "https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290"}, {"url": "https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95"}, {"url": "https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0"}, {"url": "https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747"}, {"url": "https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09"}, {"url": "https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa"}], "x_generator": {"engine": "bippy-5f407fcff5a0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()\n\nsyzbot is able to trigger the following crash [1],\ncaused by unsafe ip6_dst_idev() use.\n\nIndeed ip6_dst_idev() can return NULL, and must always be checked.\n\n[1]\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 0 PID: 31648 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\n RIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]\n RIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267\nCode: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c\nRSP: 0018:ffffc9000fc1f2f0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 1a772f98c8186700\nRDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760\nRBP: ffff8880673fb980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd\nR10: dffffc0000000000 R11: fffffbfff1f582be R12: dffffc0000000000\nR13: 0000000000000080 R14: ffff888076509000 R15: ffff88807a029a00\nFS: 00007f55e82ca6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n fib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317\n fib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108\n ip6_route_output_flags_noref net/ipv6/route.c:2637 [inline]\n ip6_route_output_flags+0x38e/0x610 net/ipv6/route.c:2649\n ip6_route_output include/net/ip6_route.h:93 [inline]\n ip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120\n ip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250\n sctp_v6_get_dst+0x792/0x1e20 net/sctp/ipv6.c:326\n sctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455\n sctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662\n sctp_connect_new_asoc+0x31d/0x6c0 net/sctp/socket.c:1099\n __sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197\n sctp_connect net/sctp/socket.c:4819 [inline]\n sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834\n __sys_connect_file net/socket.c:2048 [inline]\n __sys_connect+0x2df/0x310 net/socket.c:2065\n __do_sys_connect net/socket.c:2075 [inline]\n __se_sys_connect net/socket.c:2072 [inline]\n __x64_sys_connect+0x7a/0x90 net/socket.c:2072\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T09:01:42.861Z"}}}, "cveMetadata": {"cveId": "CVE-2024-36902", "state": "PUBLISHED", "dateUpdated": "2024-12-19T09:01:42.861Z", "dateReserved": "2024-05-30T15:25:07.066Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-30T15:29:04.298Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CF09AD0E-888D-4F7F-B98E-73122566F0E1", "versionEndExcluding": "4.19.314", "versionStartIncluding": "2.6.26", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "126C6EEC-8874-4233-AE09-634924FCDDF4", "versionEndExcluding": "5.4.276", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AC67C71C-2044-40BA-B590-61E562F69F89", "versionEndExcluding": "5.10.217", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7BCAE35D-5E47-4EAB-8179-60B37BCC3EE8", "versionEndExcluding": "6.1.91", "versionStartIncluding": "5.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CDDB1F69-36AC-41C1-9192-E7CCEF5FFC00", "versionEndExcluding": "6.6.31", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6A6B920C-8D8F-4130-86B4-AD334F4CF2E3", "versionEndExcluding": "6.8.10", "versionStartIncluding": "6.7", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()\n\nsyzbot is able to trigger the following crash [1],\ncaused by unsafe ip6_dst_idev() use.\n\nIndeed ip6_dst_idev() can return NULL, and must always be checked.\n\n[1]\n\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 0 PID: 31648 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\n RIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]\n RIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267\nCode: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c\nRSP: 0018:ffffc9000fc1f2f0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 1a772f98c8186700\nRDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760\nRBP: ffff8880673fb980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd\nR10: dffffc0000000000 R11: fffffbfff1f582be R12: dffffc0000000000\nR13: 0000000000000080 R14: ffff888076509000 R15: ffff88807a029a00\nFS: 00007f55e82ca6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n fib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317\n fib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108\n ip6_route_output_flags_noref net/ipv6/route.c:2637 [inline]\n ip6_route_output_flags+0x38e/0x610 net/ipv6/route.c:2649\n ip6_route_output include/net/ip6_route.h:93 [inline]\n ip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120\n ip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250\n sctp_v6_get_dst+0x792/0x1e20 net/sctp/ipv6.c:326\n sctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455\n sctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662\n sctp_connect_new_asoc+0x31d/0x6c0 net/sctp/socket.c:1099\n __sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197\n sctp_connect net/sctp/socket.c:4819 [inline]\n sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834\n __sys_connect_file net/socket.c:2048 [inline]\n __sys_connect+0x2df/0x310 net/socket.c:2065\n __do_sys_connect net/socket.c:2075 [inline]\n __se_sys_connect net/socket.c:2072 [inline]\n __x64_sys_connect+0x7a/0x90 net/socket.c:2072\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv6: fib6_rules: evita una posible desreferencia NULL en fib6_rule_action() syzbot es capaz de desencadenar el siguiente bloqueo [1], causado por el uso inseguro de ip6_dst_idev(). De hecho, ip6_dst_idev() puede devolver NULL y siempre debe verificarse. [1] Vaya: fallo de protecci\u00f3n general, probablemente para la direcci\u00f3n no can\u00f3nica 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref en el rango [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 31648 Comm : syz- executor.0 No contaminado 6.9.0-rc4-next-20240417-syzkaller #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 27/03/2024 RIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c: 237 [en l\u00ednea] RIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267 C\u00f3digo: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 &lt;42&gt; 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c RSP:ffffc9000fc1f2f 0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000000000000 RCX: 1a772f98c8186700 RDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760 RBP: ffff8880673f b980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd R10: dffffc0000000000 R11: ffffbfff1f582be R12: dffffc0000000000 R13: 0000000000000080 R14: ffff88807650 9000 R15: ffff88807a029a00 FS: 00007f55e82ca6c0(0000) GS :ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000000000000 DR6: 00000000ffe0ff0 DR7: 0000000000400 Seguimiento de llamadas: fib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317 fib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108 ip6_route_output_flags_noref net/ipv6/route.c:2637 [en l\u00ednea] gs+0x38e/0x610 neto /ipv6/route.c:2649 ip6_route_output include/net/ip6_route.h:93 [en l\u00ednea] ip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120 ip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250 sctp_v6_get_dst +0x792/0x1e20 net/sctp/ipv6.c:326 sctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455 sctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662 sctp_connect_new_asoc+0x31d/ 0x6c0 neto/sctp/ socket.c:1099 __sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197 sctp_connect net/sctp/socket.c:4819 [en l\u00ednea] sctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834 __sys_connect_file net/socket .c:2048 [en l\u00ednea] __sys_connect+0x2df/0x310 net/socket.c:2065 __do_sys_connect net/socket.c:2075 [en l\u00ednea] __se_sys_connect net/socket.c:2072 [en l\u00ednea] __x64_sys_connect+0x7a/0x90 net/socket. c:2072 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 Entry_SYSCALL_64_after_hwframe+0x77/0x7f"}], "id": "CVE-2024-36902", "lastModified": "2026-05-12T12:16:49.490", "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": "2024-05-30T16:15:13.770", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20240926-0002/"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-265688.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-613116.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "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: ipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()", "id": "2284545", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284545"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv6: fib6_rules: avoid possible NULL dereference in fib6_rule_action()\nsyzbot is able to trigger the following crash [1],\ncaused by unsafe ip6_dst_idev() use.\nIndeed ip6_dst_idev() can return NULL, and must always be checked.\n[1]\nOops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 0 PID: 31648 Comm: syz-executor.0 Not tainted 6.9.0-rc4-next-20240417-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nRIP: 0010:__fib6_rule_action net/ipv6/fib6_rules.c:237 [inline]\nRIP: 0010:fib6_rule_action+0x241/0x7b0 net/ipv6/fib6_rules.c:267\nCode: 02 00 00 49 8d 9f d8 00 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 f9 32 bf f7 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 e0 32 bf f7 4c 8b 03 48 89 ef 4c\nRSP: 0018:ffffc9000fc1f2f0 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000000 RCX: 1a772f98c8186700\nRDX: 0000000000000003 RSI: ffffffff8bcac4e0 RDI: ffffffff8c1f9760\nRBP: ffff8880673fb980 R08: ffffffff8fac15ef R09: 1ffffffff1f582bd\nR10: dffffc0000000000 R11: fffffbfff1f582be R12: dffffc0000000000\nR13: 0000000000000080 R14: ffff888076509000 R15: ffff88807a029a00\nFS: 00007f55e82ca6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000001b31d23000 CR3: 0000000022b66000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n<TASK>\nfib_rules_lookup+0x62c/0xdb0 net/core/fib_rules.c:317\nfib6_rule_lookup+0x1fd/0x790 net/ipv6/fib6_rules.c:108\nip6_route_output_flags_noref net/ipv6/route.c:2637 [inline]\nip6_route_output_flags+0x38e/0x610 net/ipv6/route.c:2649\nip6_route_output include/net/ip6_route.h:93 [inline]\nip6_dst_lookup_tail+0x189/0x11a0 net/ipv6/ip6_output.c:1120\nip6_dst_lookup_flow+0xb9/0x180 net/ipv6/ip6_output.c:1250\nsctp_v6_get_dst+0x792/0x1e20 net/sctp/ipv6.c:326\nsctp_transport_route+0x12c/0x2e0 net/sctp/transport.c:455\nsctp_assoc_add_peer+0x614/0x15c0 net/sctp/associola.c:662\nsctp_connect_new_asoc+0x31d/0x6c0 net/sctp/socket.c:1099\n__sctp_connect+0x66d/0xe30 net/sctp/socket.c:1197\nsctp_connect net/sctp/socket.c:4819 [inline]\nsctp_inet_connect+0x149/0x1f0 net/sctp/socket.c:4834\n__sys_connect_file net/socket.c:2048 [inline]\n__sys_connect+0x2df/0x310 net/socket.c:2065\n__do_sys_connect net/socket.c:2075 [inline]\n__se_sys_connect net/socket.c:2072 [inline]\n__x64_sys_connect+0x7a/0x90 net/socket.c:2072\ndo_syscall_x64 arch/x86/entry/common.c:52 [inline]\ndo_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\nentry_SYSCALL_64_after_hwframe+0x77/0x7f"], "name": "CVE-2024-36902", "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-2024-36902\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36902"], "threat_severity": "Moderate"}

{}