cve-2024-26961
Vulnerability from cvelistv5
Published
2024-05-01 05:19
Modified
2024-11-05 09:18
Severity ?
Summary
mac802154: fix llsec key resources release in mac802154_llsec_key_del
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmac802154: fix llsec key resources release in mac802154_llsec_key_del\n\nmac802154_llsec_key_del() can free resources of a key directly without\nfollowing the RCU rules for waiting before the end of a grace period. This\nmay lead to use-after-free in case llsec_lookup_key() is traversing the\nlist of keys in parallel with a key deletion:\n\nrefcount_t: addition on 0; use-after-free.\nWARNING: CPU: 4 PID: 16000 at lib/refcount.c:25 refcount_warn_saturate+0x162/0x2a0\nModules linked in:\nCPU: 4 PID: 16000 Comm: wpan-ping Not tainted 6.7.0 #19\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\nRIP: 0010:refcount_warn_saturate+0x162/0x2a0\nCall Trace:\n \u003cTASK\u003e\n llsec_lookup_key.isra.0+0x890/0x9e0\n mac802154_llsec_encrypt+0x30c/0x9c0\n ieee802154_subif_start_xmit+0x24/0x1e0\n dev_hard_start_xmit+0x13e/0x690\n sch_direct_xmit+0x2ae/0xbc0\n __dev_queue_xmit+0x11dd/0x3c20\n dgram_sendmsg+0x90b/0xd60\n __sys_sendto+0x466/0x4c0\n __x64_sys_sendto+0xe0/0x1c0\n do_syscall_64+0x45/0xf0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nAlso, ieee802154_llsec_key_entry structures are not freed by\nmac802154_llsec_key_del():\n\nunreferenced object 0xffff8880613b6980 (size 64):\n  comm \"iwpan\", pid 2176, jiffies 4294761134 (age 60.475s)\n  hex dump (first 32 bytes):\n    78 0d 8f 18 80 88 ff ff 22 01 00 00 00 00 ad de  x.......\".......\n    00 00 00 00 00 00 00 00 03 00 cd ab 00 00 00 00  ................\n  backtrace:\n    [\u003cffffffff81dcfa62\u003e] __kmem_cache_alloc_node+0x1e2/0x2d0\n    [\u003cffffffff81c43865\u003e] kmalloc_trace+0x25/0xc0\n    [\u003cffffffff88968b09\u003e] mac802154_llsec_key_add+0xac9/0xcf0\n    [\u003cffffffff8896e41a\u003e] ieee802154_add_llsec_key+0x5a/0x80\n    [\u003cffffffff8892adc6\u003e] nl802154_add_llsec_key+0x426/0x5b0\n    [\u003cffffffff86ff293e\u003e] genl_family_rcv_msg_doit+0x1fe/0x2f0\n    [\u003cffffffff86ff46d1\u003e] genl_rcv_msg+0x531/0x7d0\n    [\u003cffffffff86fee7a9\u003e] netlink_rcv_skb+0x169/0x440\n    [\u003cffffffff86ff1d88\u003e] genl_rcv+0x28/0x40\n    [\u003cffffffff86fec15c\u003e] netlink_unicast+0x53c/0x820\n    [\u003cffffffff86fecd8b\u003e] netlink_sendmsg+0x93b/0xe60\n    [\u003cffffffff86b91b35\u003e] ____sys_sendmsg+0xac5/0xca0\n    [\u003cffffffff86b9c3dd\u003e] ___sys_sendmsg+0x11d/0x1c0\n    [\u003cffffffff86b9c65a\u003e] __sys_sendmsg+0xfa/0x1d0\n    [\u003cffffffff88eadbf5\u003e] do_syscall_64+0x45/0xf0\n    [\u003cffffffff890000ea\u003e] entry_SYSCALL_64_after_hwframe+0x6e/0x76\n\nHandle the proper resource release in the RCU callback function\nmac802154_llsec_key_del_rcu().\n\nNote that if llsec_lookup_key() finds a key, it gets a refcount via\nllsec_key_get() and locally copies key id from key_entry (which is a\nlist element). So it\u0027s safe to call llsec_key_put() and free the list\nentry after the RCU grace period elapses.\n\nFound by Linux Verification Center (linuxtesting.org)."
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      "title": "mac802154: fix llsec key resources release in mac802154_llsec_key_del",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26961",
    "datePublished": "2024-05-01T05:19:16.361Z",
    "dateReserved": "2024-02-19T14:20:24.201Z",
    "dateUpdated": "2024-11-05T09:18:58.257Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26961\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T06:15:12.437\",\"lastModified\":\"2024-11-05T10:16:11.287\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmac802154: fix llsec key resources release in mac802154_llsec_key_del\\n\\nmac802154_llsec_key_del() can free resources of a key directly without\\nfollowing the RCU rules for waiting before the end of a grace period. This\\nmay lead to use-after-free in case llsec_lookup_key() is traversing the\\nlist of keys in parallel with a key deletion:\\n\\nrefcount_t: addition on 0; use-after-free.\\nWARNING: CPU: 4 PID: 16000 at lib/refcount.c:25 refcount_warn_saturate+0x162/0x2a0\\nModules linked in:\\nCPU: 4 PID: 16000 Comm: wpan-ping Not tainted 6.7.0 #19\\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014\\nRIP: 0010:refcount_warn_saturate+0x162/0x2a0\\nCall Trace:\\n \u003cTASK\u003e\\n llsec_lookup_key.isra.0+0x890/0x9e0\\n mac802154_llsec_encrypt+0x30c/0x9c0\\n ieee802154_subif_start_xmit+0x24/0x1e0\\n dev_hard_start_xmit+0x13e/0x690\\n sch_direct_xmit+0x2ae/0xbc0\\n __dev_queue_xmit+0x11dd/0x3c20\\n dgram_sendmsg+0x90b/0xd60\\n __sys_sendto+0x466/0x4c0\\n __x64_sys_sendto+0xe0/0x1c0\\n do_syscall_64+0x45/0xf0\\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n\\nAlso, ieee802154_llsec_key_entry structures are not freed by\\nmac802154_llsec_key_del():\\n\\nunreferenced object 0xffff8880613b6980 (size 64):\\n  comm \\\"iwpan\\\", pid 2176, jiffies 4294761134 (age 60.475s)\\n  hex dump (first 32 bytes):\\n    78 0d 8f 18 80 88 ff ff 22 01 00 00 00 00 ad de  x.......\\\".......\\n    00 00 00 00 00 00 00 00 03 00 cd ab 00 00 00 00  ................\\n  backtrace:\\n    [\u003cffffffff81dcfa62\u003e] __kmem_cache_alloc_node+0x1e2/0x2d0\\n    [\u003cffffffff81c43865\u003e] kmalloc_trace+0x25/0xc0\\n    [\u003cffffffff88968b09\u003e] mac802154_llsec_key_add+0xac9/0xcf0\\n    [\u003cffffffff8896e41a\u003e] ieee802154_add_llsec_key+0x5a/0x80\\n    [\u003cffffffff8892adc6\u003e] nl802154_add_llsec_key+0x426/0x5b0\\n    [\u003cffffffff86ff293e\u003e] genl_family_rcv_msg_doit+0x1fe/0x2f0\\n    [\u003cffffffff86ff46d1\u003e] genl_rcv_msg+0x531/0x7d0\\n    [\u003cffffffff86fee7a9\u003e] netlink_rcv_skb+0x169/0x440\\n    [\u003cffffffff86ff1d88\u003e] genl_rcv+0x28/0x40\\n    [\u003cffffffff86fec15c\u003e] netlink_unicast+0x53c/0x820\\n    [\u003cffffffff86fecd8b\u003e] netlink_sendmsg+0x93b/0xe60\\n    [\u003cffffffff86b91b35\u003e] ____sys_sendmsg+0xac5/0xca0\\n    [\u003cffffffff86b9c3dd\u003e] ___sys_sendmsg+0x11d/0x1c0\\n    [\u003cffffffff86b9c65a\u003e] __sys_sendmsg+0xfa/0x1d0\\n    [\u003cffffffff88eadbf5\u003e] do_syscall_64+0x45/0xf0\\n    [\u003cffffffff890000ea\u003e] entry_SYSCALL_64_after_hwframe+0x6e/0x76\\n\\nHandle the proper resource release in the RCU callback function\\nmac802154_llsec_key_del_rcu().\\n\\nNote that if llsec_lookup_key() finds a key, it gets a refcount via\\nllsec_key_get() and locally copies key id from key_entry (which is a\\nlist element). So it\u0027s safe to call llsec_key_put() and free the list\\nentry after the RCU grace period elapses.\\n\\nFound by Linux Verification Center (linuxtesting.org).\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mac802154: corrige la liberaci\u00f3n de recursos de clave llsec en mac802154_llsec_key_del mac802154_llsec_key_del() puede liberar recursos de una clave directamente sin seguir las reglas de RCU para esperar antes del final de un per\u00edodo de gracia. Esto puede llevar a un use-after-free en caso de que llsec_lookup_key() est\u00e9 recorriendo la lista de claves en paralelo con una eliminaci\u00f3n de clave: refcount_t: suma en 0; use-after-free. ADVERTENCIA: CPU: 4 PID: 16000 en lib/refcount.c:25 refcount_warn_saturate+0x162/0x2a0 M\u00f3dulos vinculados en: CPU: 4 PID: 16000 Comm: wpan-ping Not tainted 6.7.0 #19 Nombre de hardware: PC est\u00e1ndar QEMU ( i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 01/04/2014 RIP: 0010:refcount_warn_saturate+0x162/0x2a0 Seguimiento de llamadas:  llsec_lookup_key.isra.0+0x890/0x9e0 mac802154_llsec_ cifrar+ 0x30c/0x9c0 ieee802154_subif_start_xmit+0x24/0x1e0 dev_hard_start_xmit+0x13e/0x690 sch_direct_xmit+0x2ae/0xbc0 __dev_queue_xmit+0x11dd/0x3c20 dgram_sendmsg+0x90b/0xd60 __ sys_sendto+0x466/0x4c0 __x64_sys_sendto+0xe0/0x1c0 do_syscall_64+0x45/0xf0 Entry_SYSCALL_64_after_hwframe+0x6e/0x76 Adem\u00e1s, Las estructuras ieee802154_llsec_key_entry no son liberadas por mac802154_llsec_key_del(): objeto sin referencia 0xffff8880613b6980 (tama\u00f1o 64): comm \\\"iwpan\\\", pid 2176, jiffies 4294761134 (edad 60,475 s) volcado hexadecimal (primeros 32 bytes): 8 0d 8f 18 80 88 y siguientes y siguientes 22 01 00 00 00 00 ad de x.......\\\"....... 00 00 00 00 00 00 00 00 03 00 cd ab 00 00 00 00 ........... ..... retroceso: [] __kmem_cache_alloc_node+0x1e2/0x2d0 [] kmalloc_trace+0x25/0xc0 [] mac802154_llsec_key_add+0xac9/0xcf0 ffffffff8896e41a\u0026gt;] ieee802154_add_llsec_key+0x5a/0x80 [] nl802154_add_llsec_key+0x426/0x5b0 [] genl_family_rcv_msg_doit+0x1fe/0x2f0 [] genl_rcv_msg+0x531/0x7d0 [] netlink_rcv_skb+0x169/0x440 [] genl_rcv+0x28/0x40 [] netlink_unicast+0x53c/0x820 [] netlink_sendmsg+0x93b/0xe60 [] ____sys_sendmsg+0xac5/0xca0 [] ___sys_sendmsg+0x11d/0 x1c0 [] __sys_sendmsg+0xfa/0x1d0 [] do_syscall_64+0x45/0xf0 [] Entry_SYSCALL_64_after_hwframe+0x6e/0x76 Maneja la liberaci\u00f3n adecuada de recursos en la funci\u00f3n de devoluci\u00f3n de llamada de RCU mac802154_llsec_key_del_rcu(). Tenga en cuenta que si llsec_lookup_key() encuentra una clave, obtiene un recuento a trav\u00e9s de llsec_key_get() y copia localmente la identificaci\u00f3n de la clave de key_entry (que es un elemento de la lista). Por lo tanto, es seguro llamar a llsec_key_put() y liberar la entrada de la lista despu\u00e9s de que transcurra el per\u00edodo de gracia de RCU. Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org).\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/068ab2759bc0b4daf0b964de61b2731449c86531\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/20d3e1c8a1847497269f04d874b2a5818ec29e2d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/49c8951680d7b76fceaee89dcfbab1363fb24fd1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/640297c3e897bd7e1481466a6a5cb9560f1edb88\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3d858650933d44ac12c1f31337e7110c2071821\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/dcd51ab42b7a0431575689c5f74b8b6efd45fc2f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e8a1e58345cf40b7b272e08ac7b32328b2543e40\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.