CVE-2024-49887

{"id": "CVE-2024-49887", "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": "2024-10-21T18:15:11.360", "references": [{"url": "https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd", "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\nf2fs: fix to don't panic system for no free segment fault injection\n\nf2fs: fix to don't panic system for no free segment fault injection\n\nsyzbot reports a f2fs bug as below:\n\nF2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167\nF2FS-fs (loop0): Stopped filesystem due to reason: 7\n------------[ cut here ]------------\nkernel BUG at fs/f2fs/segment.c:2748!\nCPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0\nRIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline]\nRIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836\nCall Trace:\n __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167\n f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline]\n f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195\n f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799\n f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903\n vfs_fallocate+0x553/0x6c0 fs/open.c:334\n do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886\n __do_sys_ioctl fs/ioctl.c:905 [inline]\n __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\nRIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline]\nRIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836\n\nThe root cause is when we inject no free segment fault into f2fs,\nwe should not panic system, fix it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: correcci\u00f3n para que el sistema no entre en p\u00e1nico por falta de inyecci\u00f3n de segmento libre f2fs: correcci\u00f3n para que el sistema no entre en p\u00e1nico por falta de inyecci\u00f3n de segmento libre syzbot informa un error de f2fs como el siguiente: F2FS-fs (loop0): no inyecta ning\u00fan segmento libre en get_new_segment de __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 F2FS-fs (loop0): sistema de archivos detenido debido a la raz\u00f3n: 7 ------------[ cortar aqu\u00ed ]------------ \u00a1ERROR del kernel en fs/f2fs/segment.c:2748! CPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 No contaminado 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [en l\u00ednea] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Rastreo de llamadas: __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 f2fs_allocate_new_section fs/f2fs/segment.c:3181 [en l\u00ednea] f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195 f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799 f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903 vfs_fallocate+0x553/0x6c0 fs/open.c:334 do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886 __do_sys_ioctl fs/ioctl.c:905 [en l\u00ednea] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [en l\u00ednea] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [en l\u00ednea] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 La causa ra\u00edz es cuando no inyectamos un fallo de segmento libre en f2fs, no deber\u00edamos hacer que el sistema entre en p\u00e1nico, arr\u00e9glelo."}], "lastModified": "2024-11-13T14:50:09.193", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "158EBA02-95B5-4E0A-85BC-1EAC91B085F6", "versionEndExcluding": "6.10.14", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54D9C704-D679-41A7-9C40-10A6B1E7FFE9", "versionEndExcluding": "6.11.3", "versionStartIncluding": "6.11"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}