CVE-2024-46780 (GCVE-0-2024-46780)

Vulnerability from cvelistv5 – Published: 2024-09-18 07:12 – Updated: 2025-11-03 22:18
VLAI?
Summary
In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regularly swapped, replaced during resizing, and even abandoned when degrading to one side due to backing device issues. So, accessing them requires mutual exclusion using the reader/writer semaphore "nilfs->ns_sem". Some sysfs attribute show methods read this superblock buffer without the necessary mutual exclusion, which can cause problems with pointer dereferencing and memory access, so fix it.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: da7141fb78db915680616e15677539fc8140cf53 , < b90beafac05931cbfcb6b1bd4f67c1923f47040e (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < ba97ba173f9625d5f34a986088979eae8b80d38e (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < 157c0d94b4c40887329418c70ef4edd1a8d6b4ed (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < b14e7260bb691d7f563f61da07d61e3c8b59a614 (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < 19cfeba0e4b8eda51484fcf8cf7d150418e1d880 (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < 8c6e43b3d5f109cf9c61bc188fcc8175404e924f (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < 962562d4c70c5cdeb4e955d63ff2017c4eca1aad (git)
Affected: da7141fb78db915680616e15677539fc8140cf53 , < 683408258917541bdb294cd717c210a04381931e (git)
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    Linux Linux Affected: 3.17
Unaffected: 0 , < 3.17 (semver)
Unaffected: 4.19.322 , ≤ 4.19.* (semver)
Unaffected: 5.4.284 , ≤ 5.4.* (semver)
Unaffected: 5.10.226 , ≤ 5.10.* (semver)
Unaffected: 5.15.167 , ≤ 5.15.* (semver)
Unaffected: 6.1.110 , ≤ 6.1.* (semver)
Unaffected: 6.6.51 , ≤ 6.6.* (semver)
Unaffected: 6.10.10 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-46780\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-09-18T08:15:05.473\",\"lastModified\":\"2025-11-03T23:16:00.553\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnilfs2: protect references to superblock parameters exposed in sysfs\\n\\nThe superblock buffers of nilfs2 can not only be overwritten at runtime\\nfor modifications/repairs, but they are also regularly swapped, replaced\\nduring resizing, and even abandoned when degrading to one side due to\\nbacking device issues.  So, accessing them requires mutual exclusion using\\nthe reader/writer semaphore \\\"nilfs-\u003ens_sem\\\".\\n\\nSome sysfs attribute show methods read this superblock buffer without the\\nnecessary mutual exclusion, which can cause problems with pointer\\ndereferencing and memory access, so fix it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nilfs2: protege las referencias a los par\u00e1metros de superbloque expuestos en sysfs Los b\u00faferes de superbloque de nilfs2 no solo se pueden sobrescribir en tiempo de ejecuci\u00f3n para modificaciones/reparaciones, sino que tambi\u00e9n se intercambian regularmente, se reemplazan durante el cambio de tama\u00f1o e incluso se abandonan cuando se degradan a un lado debido a problemas con el dispositivo de respaldo. Por lo tanto, acceder a ellos requiere exclusi\u00f3n mutua utilizando el sem\u00e1foro de lectura/escritura \\\"nilfs-\u0026gt;ns_sem\\\". Algunos m\u00e9todos de demostraci\u00f3n del atributo sysfs leen este b\u00fafer de superbloque sin la exclusi\u00f3n mutua necesaria, lo que puede causar problemas con la desreferenciaci\u00f3n de punteros y el acceso a la memoria, as\u00ed que 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\":\"3.17\",\"versionEndExcluding\":\"4.19.322\",\"matchCriteriaId\":\"0DF373BC-D49B-4A5C-944C-E227FDEBDFA9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.284\",\"matchCriteriaId\":\"6265A402-9C3C-438F-BFC5-4194B2568B85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.226\",\"matchCriteriaId\":\"864FC17C-501A-4823-A643-6F35D65D8A97\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.167\",\"matchCriteriaId\":\"043405A4-25FE-45D4-A7BB-2A0C3B7D17C1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.110\",\"matchCriteriaId\":\"6B1A95FC-7E7E-428B-BB59-F76640C652AE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.51\",\"matchCriteriaId\":\"E4529134-BAC4-4776-840B-304009E181A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.10\",\"matchCriteriaId\":\"ACDEE48C-137A-4731-90D0-A675865E1BED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0005AEF-856E-47EB-BFE4-90C46899394D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"39889A68-6D34-47A6-82FC-CD0BF23D6754\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"B8383ABF-1457-401F-9B61-EE50F4C61F4F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"B77A9280-37E6-49AD-B559-5B23A3B1DC3D\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46780\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T14:38:16.059134Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T14:38:20.261Z\"}}], \"cna\": {\"title\": \"nilfs2: protect references to superblock parameters exposed in sysfs\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"b90beafac05931cbfcb6b1bd4f67c1923f47040e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"ba97ba173f9625d5f34a986088979eae8b80d38e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"157c0d94b4c40887329418c70ef4edd1a8d6b4ed\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"b14e7260bb691d7f563f61da07d61e3c8b59a614\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"19cfeba0e4b8eda51484fcf8cf7d150418e1d880\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"8c6e43b3d5f109cf9c61bc188fcc8175404e924f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"962562d4c70c5cdeb4e955d63ff2017c4eca1aad\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"da7141fb78db915680616e15677539fc8140cf53\", \"lessThan\": \"683408258917541bdb294cd717c210a04381931e\", \"versionType\": \"git\"}], \"programFiles\": [\"fs/nilfs2/sysfs.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"3.17\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"3.17\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.322\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.284\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.226\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.167\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.110\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.51\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/nilfs2/sysfs.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/b90beafac05931cbfcb6b1bd4f67c1923f47040e\"}, {\"url\": \"https://git.kernel.org/stable/c/ba97ba173f9625d5f34a986088979eae8b80d38e\"}, {\"url\": \"https://git.kernel.org/stable/c/157c0d94b4c40887329418c70ef4edd1a8d6b4ed\"}, {\"url\": \"https://git.kernel.org/stable/c/b14e7260bb691d7f563f61da07d61e3c8b59a614\"}, {\"url\": \"https://git.kernel.org/stable/c/19cfeba0e4b8eda51484fcf8cf7d150418e1d880\"}, {\"url\": \"https://git.kernel.org/stable/c/8c6e43b3d5f109cf9c61bc188fcc8175404e924f\"}, {\"url\": \"https://git.kernel.org/stable/c/962562d4c70c5cdeb4e955d63ff2017c4eca1aad\"}, {\"url\": \"https://git.kernel.org/stable/c/683408258917541bdb294cd717c210a04381931e\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnilfs2: protect references to superblock parameters exposed in sysfs\\n\\nThe superblock buffers of nilfs2 can not only be overwritten at runtime\\nfor modifications/repairs, but they are also regularly swapped, replaced\\nduring resizing, and even abandoned when degrading to one side due to\\nbacking device issues.  So, accessing them requires mutual exclusion using\\nthe reader/writer semaphore \\\"nilfs-\u003ens_sem\\\".\\n\\nSome sysfs attribute show methods read this superblock buffer without the\\nnecessary mutual exclusion, which can cause problems with pointer\\ndereferencing and memory access, so fix it.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T09:22:59.932Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46780\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T09:22:59.932Z\", \"dateReserved\": \"2024-09-11T15:12:18.276Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-18T07:12:36.736Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.