CVE-2026-31543 (GCVE-0-2026-31543)

Vulnerability from cvelistv5 – Published: 2026-04-24 14:33 – Updated: 2026-05-11 22:10
VLAI
Title
crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying
Summary
In the Linux kernel, the following vulnerability has been resolved: crash_dump: don't log dm-crypt key bytes in read_key_from_user_keying When debug logging is enabled, read_key_from_user_keying() logs the first 8 bytes of the key payload and partially exposes the dm-crypt key. Stop logging any key bytes.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < 4897bd307ba8757c31a3325ba6730961be606016 (git)
Affected: 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < ed8d91f469845d62d44c565a55d2ab1767969357 (git)
Affected: 479e58549b0fa7e80f1e0b9e69e0a2a8e6711132 , < 36f46b0e36892eba08978eef7502ff3c94ddba77 (git)
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Linux Linux Affected: 6.16
Unaffected: 0 , < 6.16 (semver)
Unaffected: 6.18.20 , ≤ 6.18.* (semver)
Unaffected: 6.19.10 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (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

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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.