CVE-2024-49887 (GCVE-0-2024-49887)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:41
VLAI
Title
f2fs: fix to don't panic system for no free segment fault injection
Summary
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't panic system for no free segment fault injection f2fs: fix to don't panic system for no free segment fault injection syzbot reports a f2fs bug as below: F2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 F2FS-fs (loop0): Stopped filesystem due to reason: 7 ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2748! CPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Call Trace: __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline] 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 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] 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 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 The root cause is when we inject no free segment fault into f2fs, we should not panic system, fix it.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8b10d3653735e117bc1954ade80d75ad7b46b801 , < 9f6e7a0512a57387d36f5e9e9635d6668cac13dd (git)
Affected: 8b10d3653735e117bc1954ade80d75ad7b46b801 , < 645ec43760e86d3079fee2e8b51fde7060a540d0 (git)
Affected: 8b10d3653735e117bc1954ade80d75ad7b46b801 , < 65a6ce4726c27b45600303f06496fef46d00b57f (git)
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Linux Linux Affected: 6.9
Unaffected: 0 , < 6.9 (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "id": "CVE-2024-49887",
      "lastModified": "2024-11-13T14:50:09.193",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2024-10-21T18:15:11.360",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Analyzed",
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    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-49887\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-10-21T18:15:11.360\",\"lastModified\":\"2024-11-13T14:50:09.193\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to don\u0027t panic system for no free segment fault injection\\n\\nf2fs: fix to don\u0027t 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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.9\",\"versionEndExcluding\":\"6.10.14\",\"matchCriteriaId\":\"158EBA02-95B5-4E0A-85BC-1EAC91B085F6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.3\",\"matchCriteriaId\":\"54D9C704-D679-41A7-9C40-10A6B1E7FFE9\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"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\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:44:55.701Z\"}}], \"cna\": {\"title\": \"f2fs: fix to don\u0027t panic system for no free segment fault injection\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"8b10d3653735e117bc1954ade80d75ad7b46b801\", \"lessThan\": \"9f6e7a0512a57387d36f5e9e9635d6668cac13dd\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8b10d3653735e117bc1954ade80d75ad7b46b801\", \"lessThan\": \"645ec43760e86d3079fee2e8b51fde7060a540d0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8b10d3653735e117bc1954ade80d75ad7b46b801\", \"lessThan\": \"65a6ce4726c27b45600303f06496fef46d00b57f\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/f2fs/segment.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.9\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.9\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/f2fs/segment.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nf2fs: fix to don\u0027t panic system for no free segment fault injection\\n\\nf2fs: fix to don\u0027t 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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"6.9\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.9\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:41:11.081Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49887\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:41:11.081Z\", \"dateReserved\": \"2024-10-21T12:17:06.022Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:23.561Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.