CVE-2024-35831 (GCVE-0-2024-35831)

Vulnerability from cvelistv5 – Published: 2024-05-17 13:41 – Updated: 2026-05-11 20:11
VLAI?
Title
io_uring: Fix release of pinned pages when __io_uaddr_map fails
Summary
In the Linux kernel, the following vulnerability has been resolved: io_uring: Fix release of pinned pages when __io_uaddr_map fails Looking at the error path of __io_uaddr_map, if we fail after pinning the pages for any reasons, ret will be set to -EINVAL and the error handler won't properly release the pinned pages. I didn't manage to trigger it without forcing a failure, but it can happen in real life when memory is heavily fragmented.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62 (git)
Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 712e2c8415f55a4a4ddaa98a430b87f624109f69 (git)
Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3a (git)
Affected: 223ef474316466e9f61f6e0064f3a6fe4923a2c5 , < 67d1189d1095d471ed7fa426c7e384a7140a5dd7 (git)
Affected: 3f3164ce6396138747984ee9e61158e248246300 (git)
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Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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\"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"io_uring/io_uring.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/0b6f39c175ba5f0ef72bdb3b9d2a06ad78621d62\"}, {\"url\": \"https://git.kernel.org/stable/c/712e2c8415f55a4a4ddaa98a430b87f624109f69\"}, {\"url\": \"https://git.kernel.org/stable/c/4d376d7ad62b6a8e8dfff56b559d9d275e5b9b3a\"}, {\"url\": \"https://git.kernel.org/stable/c/67d1189d1095d471ed7fa426c7e384a7140a5dd7\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nio_uring: Fix release of pinned pages when __io_uaddr_map fails\\n\\nLooking at the error path of __io_uaddr_map, if we fail after pinning\\nthe pages for any reasons, ret will be set to -EINVAL and the error\\nhandler won\u0027t properly release the pinned pages.\\n\\nI didn\u0027t manage to trigger it without forcing a failure, but it can\\nhappen in real life when memory is heavily fragmented.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.23\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.11\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.2\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.5.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:11:50.588Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35831\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:11:50.588Z\", \"dateReserved\": \"2024-05-17T12:19:12.348Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T13:41:23.171Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Taxonomy of the tags.




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.