CVE-2024-57943 (GCVE-0-2024-57943)

Vulnerability from cvelistv5 – Published: 2025-01-21 12:18 – Updated: 2026-05-11 21:01
VLAI
Title
exfat: fix the new buffer was not zeroed before writing
Summary
In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-824 - Access of Uninitialized Pointer
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 , < 942c6f91ab8d82a41650e717940b4e577173762f (git)
Affected: 6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 , < 98e2fb26d1a9eafe79f46d15d54e68e014d81d8c (git)
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Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.10 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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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.