CVE-2024-44966 (GCVE-0-2024-44966)

Vulnerability from cvelistv5 – Published: 2024-09-04 18:38 – Updated: 2026-05-11 20:32
VLAI
Title
binfmt_flat: Fix corruption when not offsetting data start
Summary
In the Linux kernel, the following vulnerability has been resolved: binfmt_flat: Fix corruption when not offsetting data start Commit 04d82a6d0881 ("binfmt_flat: allow not offsetting data start") introduced a RISC-V specific variant of the FLAT format which does not allocate any space for the (obsolete) array of shared library pointers. However, it did not disable the code which initializes the array, resulting in the corruption of sizeof(long) bytes before the DATA segment, generally the end of the TEXT segment. Introduce MAX_SHARED_LIBS_UPDATE which depends on the state of CONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET to guard the initialization of the shared library pointer region so that it will only be initialized if space is reserved for it.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 , < 3a684499261d0f7ed5ee72793025c88c2276809c (git)
Affected: 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 , < af65d5383854cc3f172a7d0843b628758bf462c8 (git)
Affected: 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 , < 49df34d2b7da9e57c839555a2f7877291ce45ad1 (git)
Affected: 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 , < 9350ba06ee61db392c486716ac68ecc20e030f7c (git)
Affected: 04d82a6d0881ef1ab1e9f66f10805177ee2fb1e8 , < 3eb3cd5992f7a0c37edc8d05b4c38c98758d8671 (git)
Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.165 , ≤ 5.15.* (semver)
Unaffected: 6.1.106 , ≤ 6.1.* (semver)
Unaffected: 6.6.47 , ≤ 6.6.* (semver)
Unaffected: 6.10.6 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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However, it did not disable the code which initializes the\\narray, resulting in the corruption of sizeof(long) bytes before the DATA\\nsegment, generally the end of the TEXT segment.\\n\\nIntroduce MAX_SHARED_LIBS_UPDATE which depends on the state of\\nCONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET to guard the initialization of\\nthe shared library pointer region so that it will only be initialized\\nif space is reserved for it.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.165\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.106\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.47\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.6\", \"versionStartIncluding\": \"5.13\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"5.13\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:32:52.997Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-44966\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:32:52.997Z\", \"dateReserved\": \"2024-08-21T05:34:56.667Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-04T18:38:45.625Z\", \"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.