{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-40959","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-07-12T12:17:45.593Z","datePublished":"2024-07-12T12:32:01.149Z","dateUpdated":"2025-11-03T21:58:24.440Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:18:49.327Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()\n\nip6_dst_idev() can return NULL, xfrm6_get_saddr() must act accordingly.\n\nsyzbot reported:\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: 1 PID: 12 Comm: kworker/u8:1 Not tainted 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\nWorkqueue: wg-kex-wg1 wg_packet_handshake_send_worker\n RIP: 0010:xfrm6_get_saddr+0x93/0x130 net/ipv6/xfrm6_policy.c:64\nCode: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 97 00 00 00 4c 8b ab d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 86 00 00 00 4d 8b 6d 00 e8 ca 13 47 01 48 b8 00\nRSP: 0018:ffffc90000117378 EFLAGS: 00010246\nRAX: dffffc0000000000 RBX: ffff88807b079dc0 RCX: ffffffff89a0d6d7\nRDX: 0000000000000000 RSI: ffffffff89a0d6e9 RDI: ffff88807b079e98\nRBP: ffff88807ad73248 R08: 0000000000000007 R09: fffffffffffff000\nR10: ffff88807b079dc0 R11: 0000000000000007 R12: ffffc90000117480\nR13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\nFS:  0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f4586d00440 CR3: 0000000079042000 CR4: 00000000003506f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n <TASK>\n  xfrm_get_saddr net/xfrm/xfrm_policy.c:2452 [inline]\n  xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2481 [inline]\n  xfrm_tmpl_resolve+0xa26/0xf10 net/xfrm/xfrm_policy.c:2541\n  xfrm_resolve_and_create_bundle+0x140/0x2570 net/xfrm/xfrm_policy.c:2835\n  xfrm_bundle_lookup net/xfrm/xfrm_policy.c:3070 [inline]\n  xfrm_lookup_with_ifid+0x4d1/0x1e60 net/xfrm/xfrm_policy.c:3201\n  xfrm_lookup net/xfrm/xfrm_policy.c:3298 [inline]\n  xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm_policy.c:3309\n  ip6_dst_lookup_flow+0x15c/0x1d0 net/ipv6/ip6_output.c:1256\n  send6+0x611/0xd20 drivers/net/wireguard/socket.c:139\n  wg_socket_send_skb_to_peer+0xf9/0x220 drivers/net/wireguard/socket.c:178\n  wg_socket_send_buffer_to_peer+0x12b/0x190 drivers/net/wireguard/socket.c:200\n  wg_packet_send_handshake_initiation+0x227/0x360 drivers/net/wireguard/send.c:40\n  wg_packet_handshake_send_worker+0x1c/0x30 drivers/net/wireguard/send.c:51\n  process_one_work+0x9fb/0x1b60 kernel/workqueue.c:3231\n  process_scheduled_works kernel/workqueue.c:3312 [inline]\n  worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393\n  kthread+0x2c1/0x3a0 kernel/kthread.c:389\n  ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147\n  ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/xfrm6_policy.c"],"versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"c71761292d4d002a8eccb57b86792c4e3b3eb3c7","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"caf0bec84c62fb1cf6f7c9f0e8c857c87f8adbc3","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"20427b85781aca0ad072851f6907a3d4b2fed8d1","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"9f30f1f1a51d91e19f5a09236bb0b59e6a07ad08","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"83c02fb2cc0afee5bb53cddf3f34f045f654ad6a","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"f897d7171652fcfc76d042bfec798b010ee89e41","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"600a62b4232ac027f788c3ca395bc2333adeaacf","status":"affected","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","lessThan":"d46401052c2d5614da8efea5788532f0401cb164","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/xfrm6_policy.c"],"versions":[{"version":"2.6.12","status":"affected"},{"version":"0","lessThan":"2.6.12","status":"unaffected","versionType":"semver"},{"version":"4.19.317","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.279","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.221","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.162","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.96","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.36","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.9.7","lessThanOrEqual":"6.9.*","status":"unaffected","versionType":"semver"},{"version":"6.10","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":"4.19.317"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.279"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.9.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.10"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c71761292d4d002a8eccb57b86792c4e3b3eb3c7"},{"url":"https://git.kernel.org/stable/c/caf0bec84c62fb1cf6f7c9f0e8c857c87f8adbc3"},{"url":"https://git.kernel.org/stable/c/20427b85781aca0ad072851f6907a3d4b2fed8d1"},{"url":"https://git.kernel.org/stable/c/9f30f1f1a51d91e19f5a09236bb0b59e6a07ad08"},{"url":"https://git.kernel.org/stable/c/83c02fb2cc0afee5bb53cddf3f34f045f654ad6a"},{"url":"https://git.kernel.org/stable/c/f897d7171652fcfc76d042bfec798b010ee89e41"},{"url":"https://git.kernel.org/stable/c/600a62b4232ac027f788c3ca395bc2333adeaacf"},{"url":"https://git.kernel.org/stable/c/d46401052c2d5614da8efea5788532f0401cb164"}],"title":"xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/c71761292d4d002a8eccb57b86792c4e3b3eb3c7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/caf0bec84c62fb1cf6f7c9f0e8c857c87f8adbc3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/20427b85781aca0ad072851f6907a3d4b2fed8d1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9f30f1f1a51d91e19f5a09236bb0b59e6a07ad08","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/83c02fb2cc0afee5bb53cddf3f34f045f654ad6a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f897d7171652fcfc76d042bfec798b010ee89e41","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/600a62b4232ac027f788c3ca395bc2333adeaacf","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d46401052c2d5614da8efea5788532f0401cb164","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-03T21:58:24.440Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-40959","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-09-10T17:03:32.493847Z"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-11T17:34:23.806Z"}}]}}