{ "id": "CVE-2024-40959", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-07-12T13:15:17.947", "lastModified": "2024-11-21T09:31:57.090", "vulnStatus": "Modified", "cveTags": [], "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 \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" }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: xfrm6: verifique el valor de retorno de ip6_dst_idev() en xfrm6_get_saddr() ip6_dst_idev() puede devolver NULL, xfrm6_get_saddr() debe actuar en consecuencia. syzbot inform\u00f3: Ups: falla 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: 1 PID: 12 Comm: trabajador/ u8:1 No contaminado 6.10.0-rc2-syzkaller-00383-gb8481381d4e2 #0 Nombre del hardware: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/04/2024 Cola de trabajo: wg-kex-wg1 wg_packet_handshake_send_worker RIP: 0010:xfrm6_get_saddr +0x93/0x130 net/ipv6/xfrm6_policy.c:64 C\u00f3digo: 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 f 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 RSP: 0018:ffffc90000117378 EFLAGS: 00010246 RAX dff ffc0000000000 RBX: ffff88807b079dc0 RCX: ffffffff89a0d6d7 RDX: 0000000000000000 RSI: ffffffff89a0d6e9 RDI: ffff88807b079e98 RBP: ffff88807ad73248 R08: 0000000000000007 R09: ffffffffffff000 R10: ffff88807b079dc0 11: 0000000000000007 R12: ffffc90000117480 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0 000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS : 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4586d00440 CR3: 0000000079042000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Seguimiento de llamadas: xfrm_get_saddr net/xfrm/xfrm_policy .c:2452 [en l\u00ednea] xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2481 [en l\u00ednea] xfrm_tmpl_resolve+0xa26/0xf10 net/xfrm/xfrm_policy.c:2541 xfrm_resolve_and_create_bundle+0x140/0x2570 net/xfrm/xfrm_ pol\u00edtica.c:2835 xfrm_bundle_lookup net /xfrm/xfrm_policy.c:3070 [en l\u00ednea] xfrm_lookup_with_ifid+0x4d1/0x1e60 net/xfrm/xfrm_policy.c:3201 xfrm_lookup net/xfrm/xfrm_policy.c:3298 [en l\u00ednea] xfrm_lookup_route+0x3b/0x200 net/xfrm/xfrm _pol\u00edtica.c :3309 ip6_dst_lookup_flow+0x15c/0x1d0 net/ipv6/ip6_output.c:1256 send6+0x611/0xd20 controladores/net/wireguard/socket.c:139 wg_socket_send_skb_to_peer+0xf9/0x220 controladores/net/wireguard/socket.c:178 enviar_buffer_to_peer+ 0x12b/0x190 controladores/net/wireguard/socket.c:200 wg_packet_send_handshake_initiation+0x227/0x360 controladores/net/wireguard/send.c:40 wg_packet_handshake_send_worker+0x1c/0x30 controladores/net/wireguard/send.c:51 Process_one_work+0x9fb/ 0x1b60 kernel/workqueue.c:3231 Process_scheduled_works kernel/workqueue.c:3312 [en l\u00ednea] trabajador_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/ x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "4.19.317", "matchCriteriaId": "4E229973-CC2A-4919-9D45-96986F94BAB1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.279", "matchCriteriaId": "F4E38E58-1B9F-4DF2-AD3D-A8BEAA2959D8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5", "versionEndExcluding": "5.10.221", "matchCriteriaId": "659E1520-6345-41AF-B893-A7C0647585A0" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11", "versionEndExcluding": "5.15.162", "matchCriteriaId": "10A39ACC-3005-40E8-875C-98A372D1FFD5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.1.96", "matchCriteriaId": "61E887B4-732A-40D2-9983-CC6F281EBFB7" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.36", "matchCriteriaId": "E1046C95-860A-45B0-B718-2B29F65BFF10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7", "versionEndExcluding": "6.9.7", "matchCriteriaId": "0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*", "matchCriteriaId": "2EBB4392-5FA6-4DA9-9772-8F9C750109FA" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*", "matchCriteriaId": "331C2F14-12C7-45D5-893D-8C52EE38EA10" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*", "matchCriteriaId": "3173713D-909A-4DD3-9DD4-1E171EB057EE" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*", "matchCriteriaId": "79F18AFA-40F7-43F0-BA30-7BDB65F918B9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/20427b85781aca0ad072851f6907a3d4b2fed8d1", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/600a62b4232ac027f788c3ca395bc2333adeaacf", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/83c02fb2cc0afee5bb53cddf3f34f045f654ad6a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9f30f1f1a51d91e19f5a09236bb0b59e6a07ad08", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c71761292d4d002a8eccb57b86792c4e3b3eb3c7", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/caf0bec84c62fb1cf6f7c9f0e8c857c87f8adbc3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d46401052c2d5614da8efea5788532f0401cb164", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f897d7171652fcfc76d042bfec798b010ee89e41", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/20427b85781aca0ad072851f6907a3d4b2fed8d1", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/600a62b4232ac027f788c3ca395bc2333adeaacf", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/83c02fb2cc0afee5bb53cddf3f34f045f654ad6a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/9f30f1f1a51d91e19f5a09236bb0b59e6a07ad08", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c71761292d4d002a8eccb57b86792c4e3b3eb3c7", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/caf0bec84c62fb1cf6f7c9f0e8c857c87f8adbc3", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d46401052c2d5614da8efea5788532f0401cb164", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/f897d7171652fcfc76d042bfec798b010ee89e41", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] } ] }