mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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194 lines
12 KiB
JSON
194 lines
12 KiB
JSON
{
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"id": "CVE-2024-56642",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-12-27T15:15:23.930",
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"lastModified": "2025-02-18T16:15:18.770",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntipc: Fix use-after-free of kernel socket in cleanup_bearer().\n\nsyzkaller reported a use-after-free of UDP kernel socket\nin cleanup_bearer() without repro. [0][1]\n\nWhen bearer_disable() calls tipc_udp_disable(), cleanup\nof the UDP kernel socket is deferred by work calling\ncleanup_bearer().\n\ntipc_exit_net() waits for such works to finish by checking\ntipc_net(net)->wq_count. However, the work decrements the\ncount too early before releasing the kernel socket,\nunblocking cleanup_net() and resulting in use-after-free.\n\nLet's move the decrement after releasing the socket in\ncleanup_bearer().\n\n[0]:\nref_tracker: net notrefcnt@000000009b3d1faf has 1/1 users at\n sk_alloc+0x438/0x608\n inet_create+0x4c8/0xcb0\n __sock_create+0x350/0x6b8\n sock_create_kern+0x58/0x78\n udp_sock_create4+0x68/0x398\n udp_sock_create+0x88/0xc8\n tipc_udp_enable+0x5e8/0x848\n __tipc_nl_bearer_enable+0x84c/0xed8\n tipc_nl_bearer_enable+0x38/0x60\n genl_family_rcv_msg_doit+0x170/0x248\n genl_rcv_msg+0x400/0x5b0\n netlink_rcv_skb+0x1dc/0x398\n genl_rcv+0x44/0x68\n netlink_unicast+0x678/0x8b0\n netlink_sendmsg+0x5e4/0x898\n ____sys_sendmsg+0x500/0x830\n\n[1]:\nBUG: KMSAN: use-after-free in udp_hashslot include/net/udp.h:85 [inline]\nBUG: KMSAN: use-after-free in udp_lib_unhash+0x3b8/0x930 net/ipv4/udp.c:1979\n udp_hashslot include/net/udp.h:85 [inline]\n udp_lib_unhash+0x3b8/0x930 net/ipv4/udp.c:1979\n sk_common_release+0xaf/0x3f0 net/core/sock.c:3820\n inet_release+0x1e0/0x260 net/ipv4/af_inet.c:437\n inet6_release+0x6f/0xd0 net/ipv6/af_inet6.c:489\n __sock_release net/socket.c:658 [inline]\n sock_release+0xa0/0x210 net/socket.c:686\n cleanup_bearer+0x42d/0x4c0 net/tipc/udp_media.c:819\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xcaf/0x1c90 kernel/workqueue.c:3310\n worker_thread+0xf6c/0x1510 kernel/workqueue.c:3391\n kthread+0x531/0x6b0 kernel/kthread.c:389\n ret_from_fork+0x60/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:244\n\nUninit was created at:\n slab_free_hook mm/slub.c:2269 [inline]\n slab_free mm/slub.c:4580 [inline]\n kmem_cache_free+0x207/0xc40 mm/slub.c:4682\n net_free net/core/net_namespace.c:454 [inline]\n cleanup_net+0x16f2/0x19d0 net/core/net_namespace.c:647\n process_one_work kernel/workqueue.c:3229 [inline]\n process_scheduled_works+0xcaf/0x1c90 kernel/workqueue.c:3310\n worker_thread+0xf6c/0x1510 kernel/workqueue.c:3391\n kthread+0x531/0x6b0 kernel/kthread.c:389\n ret_from_fork+0x60/0x80 arch/x86/kernel/process.c:147\n ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:244\n\nCPU: 0 UID: 0 PID: 54 Comm: kworker/0:2 Not tainted 6.12.0-rc1-00131-gf66ebf37d69c #7 91723d6f74857f70725e1583cba3cf4adc716cfa\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014\nWorkqueue: events cleanup_bearer"
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tipc: Se corrige el use-after-free del socket del kernel en cleanup_bearer(). syzkaller inform\u00f3 un use-after-free del socket del kernel UDP en cleanup_bearer() sin reproducci\u00f3n. [0][1] Cuando bearer_disable() llama a tipc_udp_disable(), la desinfecci\u00f3n del socket del kernel UDP se pospone mediante el trabajo que llama a cleanup_bearer(). tipc_net_stop() espera a que finalicen dichos trabajos comprobando tipc_net(net)->wq_count. Sin embargo, el trabajo disminuye el recuento demasiado pronto antes de liberar el socket del kernel, desbloqueando cleanup_net() y dando como resultado un use-after-free. Muevamos la disminuci\u00f3n despu\u00e9s de liberar el socket en cleanup_bearer(). [0]: ref_tracker: net notrefcnt@000000009b3d1faf tiene 1/1 usuarios en sk_alloc+0x438/0x608 inet_create+0x4c8/0xcb0 __sock_create+0x350/0x6b8 sock_create_kern+0x58/0x78 udp_sock_create4+0x68/0x398 udp_sock_create+0x88/0xc8 tipc_udp_enable+0x5e8/0x848 __tipc_nl_bearer_enable+0x84c/0xed8 tipc_nl_bearer_enable+0x38/0x60 genl_family_rcv_msg_doit+0x170/0x248 genl_rcv_msg+0x400/0x5b0 netlink_rcv_skb+0x1dc/0x398 genl_rcv+0x44/0x68 netlink_unicast+0x678/0x8b0 netlink_sendmsg+0x5e4/0x898 ____sys_sendmsg+0x500/0x830 [1]: ERROR: KMSAN: use-after-free en udp_hashslot include/net/udp.h:85 [en l\u00ednea] ERROR: KMSAN: use-after-free en udp_lib_unhash+0x3b8/0x930 net/ipv4/udp.c:1979 udp_hashslot include/net/udp.h:85 [en l\u00ednea] udp_lib_unhash+0x3b8/0x930 net/ipv4/udp.c:1979 sk_common_release+0xaf/0x3f0 net/core/sock.c:3820 inet_release+0x1e0/0x260 net/ipv4/af_inet.c:437 inet6_release+0x6f/0xd0 net/ipv6/af_inet6.c:489 __sock_release net/socket.c:658 [en l\u00ednea] sock_release+0xa0/0x210 net/socket.c:686 cleanup_bearer+0x42d/0x4c0 net/tipc/udp_media.c:819 proceso_one_work kernel/workqueue.c:3229 [en l\u00ednea] proceso_scheduled_works+0xcaf/0x1c90 kernel/workqueue.c:3310 worker_thread+0xf6c/0x1510 kernel/workqueue.c:3391 kthread+0x531/0x6b0 kernel/kthread.c:389 ret_from_fork+0x60/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:244 Uninit se cre\u00f3 en: slab_free_hook mm/slub.c:2269 [en l\u00ednea] slab_free mm/slub.c:4580 [en l\u00ednea] kmem_cache_free+0x207/0xc40 mm/slub.c:4682 net_free net/core/net_namespace.c:454 [en l\u00ednea] cleanup_net+0x16f2/0x19d0 net/core/net_namespace.c:647 process_one_work kernel/workqueue.c:3229 [en l\u00ednea] process_scheduled_works+0xcaf/0x1c90 kernel/workqueue.c:3310 worker_thread+0xf6c/0x1510 kernel/workqueue.c:3391 kthread+0x531/0x6b0 kernel/kthread.c:389 ret_from_fork+0x60/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:244 CPU: 0 UID: 0 PID: 54 Comm: kworker/0:2 No contaminado 6.12.0-rc1-00131-gf66ebf37d69c #7 91723d6f74857f70725e1583cba3cf4adc716cfa Nombre del hardware: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 01/04/2014 Cola de trabajo: eventos cleanup_bearer"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
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},
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{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-416"
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}
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]
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},
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{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-416"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.2",
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"versionEndExcluding": "5.4.287",
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"matchCriteriaId": "7446589C-7AB5-4517-9C06-B453135BFA99"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.5",
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"versionEndExcluding": "5.10.231",
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"matchCriteriaId": "B5C644CC-2BD7-4E32-BC54-8DCC7ABE9935"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.11",
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"versionEndExcluding": "5.15.174",
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"matchCriteriaId": "419FD073-1517-4FD5-8158-F94BC68A1E89"
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.16",
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"versionEndExcluding": "6.1.120",
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"matchCriteriaId": "09AC6122-E2A4-40FE-9D33-268A1B2EC265"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.2",
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"matchCriteriaId": "29A976AD-B9AB-4A95-9F08-7669F8847EB9"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.7",
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"versionEndExcluding": "6.12.5",
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"matchCriteriaId": "9501D045-7A94-42CA-8B03-821BE94A65B7"
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*",
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"matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/4e69457f9dfae67435f3ccf29008768eae860415",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/650ee9a22d7a2de8999fac2d45983597a0c22359",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/6a2fa13312e51a621f652d522d7e2df7066330b6",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/d00d4470bf8c4282617a3a10e76b20a9c7e4cffa",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/d2a4894f238551eae178904e7f45af87577074fd",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/d62d5180c036eeac09f80660edc7a602b369125f",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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},
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{
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"url": "https://git.kernel.org/stable/c/e48b211c4c59062cb6dd6c2c37c51a7cc235a464",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"tags": [
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"Patch"
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]
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}
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]
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} |