CVE-2023-52992

{"id": "CVE-2023-52992", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2025-03-27T17:15:46.670", "references": [{"url": "https://git.kernel.org/stable/c/0dfef503133565fa0bcf3268d8eeb5b181191a65", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1283a01b6e19d05f7ed49584ea653947245cd41e", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4923160393b06a34759a11b17930d71e06f396f2", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a1c0263f1eb4deee132e11e52ee6982435460d81", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a3d81bc1eaef48e34dd0b9b48eefed9e02a06451", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Skip task with pid=1 in send_signal_common()\n\nThe following kernel panic can be triggered when a task with pid=1 attaches\na prog that attempts to send killing signal to itself, also see [1] for more\ndetails:\n\n Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\n CPU: 3 PID: 1 Comm: systemd Not tainted 6.1.0-09652-g59fe41b5255f #148\n Call Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x100/0x178 lib/dump_stack.c:106\n panic+0x2c4/0x60f kernel/panic.c:275\n do_exit.cold+0x63/0xe4 kernel/exit.c:789\n do_group_exit+0xd4/0x2a0 kernel/exit.c:950\n get_signal+0x2460/0x2600 kernel/signal.c:2858\n arch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306\n exit_to_user_mode_loop kernel/entry/common.c:168 [inline]\n exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\n syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nSo skip task with pid=1 in bpf_send_signal_common() to avoid the panic.\n\n [1] https://lore.kernel.org/bpf/20221222043507.33037-1-sunhao.th@gmail.com"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bpf: Omitir tarea con pid=1 en send_signal_common() El siguiente p\u00e1nico del kernel se puede activar cuando una tarea con pid=1 adjunta un programa que intenta enviarse una se\u00f1al de eliminaci\u00f3n a s\u00ed mismo, consulte tambi\u00e9n [1] para obtener m\u00e1s detalles: P\u00e1nico del kernel - no sincroniza: \u00a1Intento de eliminar init! exitcode=0x0000000b CPU: 3 PID: 1 Comm: systemd No contaminado 6.1.0-09652-g59fe41b5255f #148 Rastreo de llamadas: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x100/0x178 lib/dump_stack.c:106 panic+0x2c4/0x60f kernel/panic.c:275 do_exit.cold+0x63/0xe4 kernel/exit.c:789 do_group_exit+0xd4/0x2a0 kernel/exit.c:950 get_signal+0x2460/0x2600 kernel/signal.c:2858 arch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd So skip task with pid=1 in bpf_send_signal_common() para evitar el p\u00e1nico. [1] https://lore.kernel.org/bpf/20221222043507.33037-1-sunhao.th@gmail.com"}], "lastModified": "2025-10-29T17:00:21.580", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2D5DFD8E-5123-4DBE-9A89-E94ACED477D0", "versionEndExcluding": "5.4.231", "versionStartIncluding": "5.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3B6D1442-2F69-4ED4-9A3E-23FCDBEE6094", "versionEndExcluding": "5.10.167", "versionStartIncluding": "5.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "82E7FA6E-E503-40DE-995C-EB8E2C9CDAE3", "versionEndExcluding": "5.15.92", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "482D2612-A4D4-4A68-AC23-52F6BE89878B", "versionEndExcluding": "6.1.10", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}