{"id":"CVE-2024-49887","state":"PUBLISHED","title":"f2fs: fix to don't panic system for no free segment fault injection","description":"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.","publishedAt":"2024-10-21T18:01:23.561Z","updatedAt":"2026-05-11T20:41:11.081Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"9f6e7a0512a57387d36f5e9e9635d6668cac13dd","versionType":"git"},{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"645ec43760e86d3079fee2e8b51fde7060a540d0","versionType":"git"},{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"65a6ce4726c27b45600303f06496fef46d00b57f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/segment.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/segment.c"]}],"references":["https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd","https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0","https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/49xxx/CVE-2024-49887.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-49887","state":"PUBLISHED","datePublished":"2024-10-21T18:01:23.561Z","dateUpdated":"2026-05-11T20:41:11.081Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-10-21T12:17:06.022Z"},"containers":{"cna":{"title":"f2fs: fix to don't panic system for no free segment fault injection","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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"9f6e7a0512a57387d36f5e9e9635d6668cac13dd","versionType":"git"},{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"645ec43760e86d3079fee2e8b51fde7060a540d0","versionType":"git"},{"version":"8b10d3653735e117bc1954ade80d75ad7b46b801","status":"affected","lessThan":"65a6ce4726c27b45600303f06496fef46d00b57f","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/segment.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.9","versionType":"semver"},{"version":"6.10.14","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.3","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/f2fs/segment.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd"},{"url":"https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0"},{"url":"https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:41:11.081Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.10.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.11.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.9","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-49887","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-10-22T13:44:52.124172Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-22T13:48:49.668Z"}}]}}}