CVE-2026-80924 is a vulnerability in Linux Kernel
Published on September 9, 2026
crypto: krb5 - use kfree_sensitive() for derived key buffers
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.
Products Associated with CVE-2026-80924
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Affected Versions
Linux:- Version 3936f02bf2d3308a7359dd37dd96cd60603d8170 and below 731a5b6fb4c1705f9405d9029dd64ea81e336207 is affected.
- Version 3936f02bf2d3308a7359dd37dd96cd60603d8170 and below 91b96dc9cc250cd16751f53de525cf3442ca0962 is affected.
- Version 3936f02bf2d3308a7359dd37dd96cd60603d8170 and below a1bf79365794783b19f5b09e8a23f7ee311e8931 is affected.
- Version 3936f02bf2d3308a7359dd37dd96cd60603d8170 and below f7d53dd3f267e46a784f219a75072f2f400d42b9 is affected.
- Version 6.15 is affected.
- Before 6.15 is unaffected.
- Version 6.18.49, <= 6.18.* is unaffected.
- Version 7.1.13, <= 7.1.* is unaffected.
- Version 7.2.3, <= 7.2.* is unaffected.
- Version 7.3-rc1, <= * is unaffected.