Riskcovery

CVE-2026-80924

crypto: krb5 - use kfree_sensitive() for derived key buffers

State
Published
Severity
7.5 High
Published
Sep 9, 2026
Updated
Oct 19, 2026
Reserved
Aug 26, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

crypto: krb5 - use kfree_sensitive() for derived key buffers

crypto_krb5_prepare_encryption() and crypto_krb5_prepare_checksum() free the buffer holding the freshly derived keys with plain kfree(), leaving the key material behind in the freed slab object.

Scores

CVSSScoreVectorSource
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NLinux

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 3936f02bf2d3308a7359dd37dd96cd60603d8170 to before 731a5b6fb4c1705f9405d9029dd64ea81e336207Affected
  • 3936f02bf2d3308a7359dd37dd96cd60603d8170 to before 91b96dc9cc250cd16751f53de525cf3442ca0962Affected
  • 3936f02bf2d3308a7359dd37dd96cd60603d8170 to before a1bf79365794783b19f5b09e8a23f7ee311e8931Affected
  • 3936f02bf2d3308a7359dd37dd96cd60603d8170 to before f7d53dd3f267e46a784f219a75072f2f400d42b9Affected
LinuxLinux
  • 6.15Affected
  • before 6.15Not affected
  • 6.18.49 through 6.18.*Not affected
  • 7.1.13 through 7.1.*Not affected
  • 7.2.3 through 7.2.*Not affected
  • 7.3 and laterNot affected

References

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