CVE-2024-26791 (GCVE-0-2024-26791)

Vulnerability from cvelistv5 – Published: 2024-04-04 08:20 – Updated: 2026-01-05 10:34
VLAI?
Title
btrfs: dev-replace: properly validate device names
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: dev-replace: properly validate device names There's a syzbot report that device name buffers passed to device replace are not properly checked for string termination which could lead to a read out of bounds in getname_kernel(). Add a helper that validates both source and target device name buffers. For devid as the source initialize the buffer to empty string in case something tries to read it later. This was originally analyzed and fixed in a different way by Edward Adam Davis (see links).
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < 11d7a2e429c02d51e2dc90713823ea8b8d3d3a84 (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < c6652e20d7d783d060fe5f987eac7b5cabe31311 (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < 2886fe308a83968dde252302884a1e63351cf16d (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < ab2d68655d0f04650bef09fee948ff80597c5fb9 (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < f590040ce2b712177306b03c2a63b16f7d48d3c8 (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < b1690ced4d2d8b28868811fb81cd33eee5aefee1 (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < 343eecb4ff49a7b1cc1dfe86958a805cf2341cfb (git)
Affected: e93c89c1aaaaaec3487c4c18dd02360371790722 , < 9845664b9ee47ce7ee7ea93caf47d39a9d4552c4 (git)
Create a notification for this product.
    Linux Linux Affected: 3.8
Unaffected: 0 , < 3.8 (semver)
Unaffected: 4.19.309 , ≤ 4.19.* (semver)
Unaffected: 5.4.271 , ≤ 5.4.* (semver)
Unaffected: 5.10.212 , ≤ 5.10.* (semver)
Unaffected: 5.15.151 , ≤ 5.15.* (semver)
Unaffected: 6.1.81 , ≤ 6.1.* (semver)
Unaffected: 6.6.21 , ≤ 6.6.* (semver)
Unaffected: 6.7.9 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
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\"vulnerable\": true, \"versionEndExcluding\": \"5.10.212\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.151\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.81\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.21\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.9\", \"versionStartIncluding\": \"3.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"3.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:34:35.388Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-26791\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:34:35.388Z\", \"dateReserved\": \"2024-02-19T14:20:24.178Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-04-04T08:20:22.374Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.