{"id":"CVE-2024-36902","title":"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…","summary":"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…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.26, < 4.19.314","linux_kernel >= 4.20, < 5.4.276","linux_kernel >= 5.5, < 5.10.217","linux_kernel >= 5.15, < 6.1.91","linux_kernel >= 6.2, < 6.6.31","linux_kernel >= 6.7, < 6.8.10"],"patched":["linux_kernel 6.8.10"],"published":"2024-05-30","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:23.923","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-36902","references":[{"url":"https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1876881c9a49613b5249fb400cbf53412d90cb09","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/35297fc68de36826087e976f86a5b1f94fd0bf95","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/4a5a573387da6a6b23a4cc62147453ff1bc32afa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/674c951ab8a23f7aff9b4c3f2f865901bc76a290","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/7e3242c139c38e60844638e394c2877b16b396b0","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/8745a8d74ba17dafe72b6ab461fa6c007d879747","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/d101291b2681e5ab938554e3e323f7a7ee33e3aa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ddec23f206a944c73bcc2724358b85388837daff","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20240926-0002/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00287,"epssPercentile":0.21125,"ingestedAt":"2026-10-15T03:30:12.700Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-05-30T18:53:30.406857Z"},"slug":"CVE-2024-36902","body":"## Overview\n\nIn 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\n\n## Affected\n\n- `linux_kernel >= 2.6.26, < 4.19.314`\n- `linux_kernel >= 4.20, < 5.4.276`\n- `linux_kernel >= 5.5, < 5.10.217`\n- `linux_kernel >= 5.15, < 6.1.91`\n- `linux_kernel >= 6.2, < 6.6.31`\n- `linux_kernel >= 6.7, < 6.8.10`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.8.10`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}