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CVE-2024-39470 (GCVE-0-2024-39470)

Vulnerability from cvelistv5 – Published: 2024-06-25 14:28 – Updated: 2026-05-23 15:50
VLAI
Title
eventfs: Fix a possible null pointer dereference in eventfs_find_events()
Summary
In the Linux kernel, the following vulnerability has been resolved: eventfs: Fix a possible null pointer dereference in eventfs_find_events() In function eventfs_find_events,there is a potential null pointer that may be caused by calling update_events_attr which will perform some operations on the members of the ei struct when ei is NULL. Hence,When ei->is_freed is set,return NULL directly.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:07 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 628adb842bd5e1c2c598534a7a022b8235289de6 , < 5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9 (git)
Affected: 8186fff7ab649085e2c60d032d9a20a85af1d87c , < 7a1b2d138189375ed1dcd7d0851118230221bd1d (git)
Affected: 8186fff7ab649085e2c60d032d9a20a85af1d87c , < d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4 (git)
Affected: 9c2ac5e0ea7899411fd900d4681890722a020735 (git)
Affected: 6.6.18 , < 6.6.34 (semver)
Affected: 6.7.4 , < 6.8 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.6.34 , ≤ 6.6.* (semver)
Unaffected: 6.9.5 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/7a1b2d138189375ed1dcd7d0851118230221bd1d\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T04:26:14.966Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-39470\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T17:07:52.051745Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:25.243Z\"}}], \"cna\": {\"title\": \"eventfs: Fix a possible null pointer dereference in eventfs_find_events()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"628adb842bd5e1c2c598534a7a022b8235289de6\", \"lessThan\": \"5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8186fff7ab649085e2c60d032d9a20a85af1d87c\", \"lessThan\": \"7a1b2d138189375ed1dcd7d0851118230221bd1d\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8186fff7ab649085e2c60d032d9a20a85af1d87c\", \"lessThan\": \"d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9c2ac5e0ea7899411fd900d4681890722a020735\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"6.6.18\", \"lessThan\": \"6.6.34\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"6.7.4\", \"lessThan\": \"6.8\", \"versionType\": \"semver\"}], \"programFiles\": [\"fs/tracefs/event_inode.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.34\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.9.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"fs/tracefs/event_inode.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9\"}, {\"url\": \"https://git.kernel.org/stable/c/7a1b2d138189375ed1dcd7d0851118230221bd1d\"}, {\"url\": \"https://git.kernel.org/stable/c/d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\neventfs: Fix a possible null pointer dereference in eventfs_find_events()\\n\\nIn function eventfs_find_events,there is a potential null pointer\\nthat may be caused by calling update_events_attr which will perform\\nsome operations on the members of the ei struct when ei is NULL.\\n\\nHence,When ei-\u003eis_freed is set,return NULL directly.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.34\", \"versionStartIncluding\": \"6.6.18\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9.5\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10\", \"versionStartIncluding\": \"6.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.7.4\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-23T15:50:05.880Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-39470\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:50:05.880Z\", \"dateReserved\": \"2024-06-25T14:23:23.745Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-06-25T14:28:56.258Z\", \"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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.