CVE-2024-35886

{"id": "CVE-2024-35886", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2024-05-19T09:15:09.757", "references": [{"url": "https://git.kernel.org/stable/c/167d4b47a9bdcb01541dfa29e9f3cbb8edd3dfd2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/40a344b2ddc06c1a2caa7208a43911f39c662778", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4a7c465a5dcd657d59d25bf4815e19ac05c13061", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9472d07cd095cbd3294ac54c42f304a38fbe9bfe", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9c5258196182c25b55c33167cd72fdd9bbf08985", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d21d40605bca7bd5fc23ef03d4c1ca1f48bc2cae", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f2dd75e57285f49e34af1a5b6cd8945c08243776", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/fd307f2d91d40fa7bc55df3e2cd1253fabf8a2d6", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/167d4b47a9bdcb01541dfa29e9f3cbb8edd3dfd2", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/40a344b2ddc06c1a2caa7208a43911f39c662778", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/4a7c465a5dcd657d59d25bf4815e19ac05c13061", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/9472d07cd095cbd3294ac54c42f304a38fbe9bfe", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/9c5258196182c25b55c33167cd72fdd9bbf08985", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/d21d40605bca7bd5fc23ef03d4c1ca1f48bc2cae", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/f2dd75e57285f49e34af1a5b6cd8945c08243776", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/fd307f2d91d40fa7bc55df3e2cd1253fabf8a2d6", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-674"}, {"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix infinite recursion in fib6_dump_done().\n\nsyzkaller reported infinite recursive calls of fib6_dump_done() during\nnetlink socket destruction. [1]\n\nFrom the log, syzkaller sent an AF_UNSPEC RTM_GETROUTE message, and then\nthe response was generated. The following recvmmsg() resumed the dump\nfor IPv6, but the first call of inet6_dump_fib() failed at kzalloc() due\nto the fault injection. [0]\n\n 12:01:34 executing program 3:\n r0 = socket$nl_route(0x10, 0x3, 0x0)\n sendmsg$nl_route(r0, ... snip ...)\n recvmmsg(r0, ... snip ...) (fail_nth: 8)\n\nHere, fib6_dump_done() was set to nlk_sk(sk)->cb.done, and the next call\nof inet6_dump_fib() set it to nlk_sk(sk)->cb.args[3]. syzkaller stopped\nreceiving the response halfway through, and finally netlink_sock_destruct()\ncalled nlk_sk(sk)->cb.done().\n\nfib6_dump_done() calls fib6_dump_end() and nlk_sk(sk)->cb.done() if it\nis still not NULL. fib6_dump_end() rewrites nlk_sk(sk)->cb.done() by\nnlk_sk(sk)->cb.args[3], but it has the same function, not NULL, calling\nitself recursively and hitting the stack guard page.\n\nTo avoid the issue, let's set the destructor after kzalloc().\n\n[0]:\nFAULT_INJECTION: forcing a failure.\nname failslab, interval 1, probability 0, space 0, times 0\nCPU: 1 PID: 432110 Comm: syz-executor.3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nCall Trace:\n <TASK>\n dump_stack_lvl (lib/dump_stack.c:117)\n should_fail_ex (lib/fault-inject.c:52 lib/fault-inject.c:153)\n should_failslab (mm/slub.c:3733)\n kmalloc_trace (mm/slub.c:3748 mm/slub.c:3827 mm/slub.c:3992)\n inet6_dump_fib (./include/linux/slab.h:628 ./include/linux/slab.h:749 net/ipv6/ip6_fib.c:662)\n rtnl_dump_all (net/core/rtnetlink.c:4029)\n netlink_dump (net/netlink/af_netlink.c:2269)\n netlink_recvmsg (net/netlink/af_netlink.c:1988)\n ____sys_recvmsg (net/socket.c:1046 net/socket.c:2801)\n ___sys_recvmsg (net/socket.c:2846)\n do_recvmmsg (net/socket.c:2943)\n __x64_sys_recvmmsg (net/socket.c:3041 net/socket.c:3034 net/socket.c:3034)\n\n[1]:\nBUG: TASK stack guard page was hit at 00000000f2fa9af1 (stack is 00000000b7912430..000000009a436beb)\nstack guard page: 0000 [#1] PREEMPT SMP KASAN\nCPU: 1 PID: 223719 Comm: kworker/1:3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 04/01/2014\nWorkqueue: events netlink_sock_destruct_work\nRIP: 0010:fib6_dump_done (net/ipv6/ip6_fib.c:570)\nCode: 3c 24 e8 f3 e9 51 fd e9 28 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 48 89 fd <53> 48 8d 5d 60 e8 b6 4d 07 fd 48 89 da 48 b8 00 00 00 00 00 fc ff\nRSP: 0018:ffffc9000d980000 EFLAGS: 00010293\nRAX: 0000000000000000 RBX: ffffffff84405990 RCX: ffffffff844059d3\nRDX: ffff8881028e0000 RSI: ffffffff84405ac2 RDI: ffff88810c02f358\nRBP: ffff88810c02f358 R08: 0000000000000007 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000224 R12: 0000000000000000\nR13: ffff888007c82c78 R14: ffff888007c82c68 R15: ffff888007c82c68\nFS: 0000000000000000(0000) GS:ffff88811b100000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffc9000d97fff8 CR3: 0000000102309002 CR4: 0000000000770ef0\nPKRU: 55555554\nCall Trace:\n <#DF>\n </#DF>\n <TASK>\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n ...\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminator 1))\n netlink_sock_destruct (net/netlink/af_netlink.c:401)\n __sk_destruct (net/core/sock.c:2177 (discriminator 2))\n sk_destruct (net/core/sock.c:2224)\n __sk_free (net/core/sock.c:2235)\n sk_free (net/core/sock.c:2246)\n process_one_work (kernel/workqueue.c:3259)\n worker_thread (kernel/workqueue.c:3329 kernel/workqueue.\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: ipv6: Se corrigi\u00f3 la recursividad infinita en fib6_dump_done(). syzkaller inform\u00f3 infinitas llamadas recursivas de fib6_dump_done() durante la destrucci\u00f3n del socket netlink. [1] Desde el registro, syzkaller envi\u00f3 un mensaje AF_UNSPEC RTM_GETROUTE y luego se gener\u00f3 la respuesta. El siguiente recvmmsg() reanud\u00f3 el volcado para IPv6, pero la primera llamada de inet6_dump_fib() fall\u00f3 en kzalloc() debido a la inyecci\u00f3n de falla. [0] 12:01:34 ejecutando el programa 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, ... recorte ...) recvmmsg(r0, ... recorte ...) (fail_nth: 8) Aqu\u00ed, fib6_dump_done() se configur\u00f3 en nlk_sk(sk)-&gt;cb.done, y la siguiente llamada de inet6_dump_fib() se configur\u00f3 en nlk_sk(sk)-&gt;cb.args[3]. syzkaller dej\u00f3 de recibir la respuesta a la mitad y finalmente netlink_sock_destruct() llam\u00f3 a nlk_sk(sk)-&gt;cb.done(). fib6_dump_done() llama a fib6_dump_end() y nlk_sk(sk)-&gt;cb.done() si todav\u00eda no es NULL. fib6_dump_end() reescribe nlk_sk(sk)-&gt;cb.done() por nlk_sk(sk)-&gt;cb.args[3], pero tiene la misma funci\u00f3n, no NULL, llam\u00e1ndose a s\u00ed mismo de forma recursiva y accediendo a la p\u00e1gina de protecci\u00f3n de pila. Para evitar el problema, configuremos el destructor despu\u00e9s de kzalloc(). [0]: FAULT_INJECTION: forzando un fallo. nombre failslab, intervalo 1, probabilidad 0, espacio 0, tiempos 0 CPU: 1 PID: 432110 Comm: syz-executor.3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11 Nombre del hardware: PC est\u00e1ndar QEMU (i440FX + PIIX , 1996), BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 01/04/2014 Seguimiento de llamadas: dump_stack_lvl (lib/dump_stack.c:117) deber\u00eda_fail_ex (lib/fault-inject.c :52 lib/fault-inject.c:153) must_failslab (mm/slub.c:3733) kmalloc_trace (mm/slub.c:3748 mm/slub.c:3827 mm/slub.c:3992) inet6_dump_fib (./ include/linux/slab.h:628 ./include/linux/slab.h:749 net/ipv6/ip6_fib.c:662) rtnl_dump_all (net/core/rtnetlink.c:4029) netlink_dump (net/netlink/af_netlink. c:2269) netlink_recvmsg (net/netlink/af_netlink.c:1988) ____sys_recvmsg (net/socket.c:1046 net/socket.c:2801) ___sys_recvmsg (net/socket.c:2846) do_recvmmsg (net/socket.c :2943) __x64_sys_recvmmsg (net/socket.c:3041 net/socket.c:3034 net/socket.c:3034) [1]: ERROR: La p\u00e1gina de protecci\u00f3n de la pila de TAREA fue visitada en 00000000f2fa9af1 (la pila es 00000000b7912430..000000009a436be b) pila p\u00e1gina de protecci\u00f3n: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 223719 Comm: kworker/1:3 Not tainted 6.8.0-12821-g537c2e91d354-dirty #11 Nombre de hardware: PC est\u00e1ndar QEMU (i440FX + PIIX, 1996) , BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org 01/04/2014 Cola de trabajo: eventos netlink_sock_destruct_work RIP: 0010:fib6_dump_done (net/ipv6/ip6_fib.c:570) C\u00f3digo: 3c 24 e8 f3 e9 51 fd e9 28 fd ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 f3 0f 1e fa 41 57 41 56 41 55 41 54 55 48 89 fd &lt;53&gt; 48 8d 5d 60 e8 b6 4d 07 fd 48 89 da 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000d980000 EFLAGS: 00010293 RAX: 00000000000000000 RBX: ffffffff84405990 RCX: ffffffff844059d3 RDX: 881028e0000 RSI: ffffffff84405ac2 RDI: ffff88810c02f358 RBP: ffff88810c02f358 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 0R11: 0000000000000224 R12: 0000000000000000 R13: ffff888007c82c78 R14: ffff888007c82c68 R15: ffff888007c82c68 FS: 0000000000000000(0000) ffff88811b100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000d97fff8 CR3: 0000000102309002 000000000770ef0 PKRU : 55555554 Seguimiento de llamadas: &lt;#DF&gt; fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminador 1)) fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminador 1)). .. fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminador 1)) fib6_dump_done (net/ipv6/ip6_fib.c:572 (discriminador 1)) netlink_sock_destruct (net/netlink/af_netlink.c:401) __sk_destruct (net/ core/sock.c:2177 (discriminador 2)) sk_destruct (net/core/sock.c:2224) __sk_free (net/core/sock.c:2235) sk_free (net/core/sock.c:2246) Process_one_work ( kernel/workqueue.c:3259)-truncado-"}], "lastModified": "2025-12-23T19:28:27.543", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CF6FB062-B9D2-4B28-9A74-DD4CAFFD54DD", "versionEndExcluding": "4.19.312", "versionStartIncluding": "2.6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F45A0F3C-C16D-49C4-86D6-D021C3D4B834", "versionEndExcluding": "5.4.274", "versionStartIncluding": "4.20"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CD5894E-58E9-4B4A-B0F4-3E6BC134B8F5", "versionEndExcluding": "5.10.215", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "577E212E-7E95-4A71-9B5C-F1D1A3AFFF46", "versionEndExcluding": "5.15.154", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "325665BF-2409-49D9-B391-39AD4566FDBD", "versionEndExcluding": "6.1.85", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C520696A-A594-4FFC-A32D-12DA535CE911", "versionEndExcluding": "6.6.26", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DBD6C99E-4250-4DFE-8447-FF2075939D10", "versionEndExcluding": "6.8.5", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.12:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F62EECE-8FB1-4D57-85D8-CB9E23CF313C"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.12:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4F76C298-81DC-43E4-8FC9-DC005A2116EF"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.12:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0AB349B2-3F78-4197-882B-90ADB3BF645A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.12:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6AC88830-A9BC-4607-B572-A4B502FC9FD0"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:2.6.12:rc5:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "476CB3A5-D022-4F13-AAEF-CB6A5785516A"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22BEDD49-2C6D-402D-9DBF-6646F6ECD10B"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DF73CB2A-DFFD-46FB-9BFE-AA394F27EA37"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}