0.0
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CVE-2026-80924
crypto: krb5 - use kfree_sensitive() for derived key buffers
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.

INFO

Published Date :

Sept. 9, 2026, 4:19 p.m.

Last Modified :

Sept. 9, 2026, 4:19 p.m.

Remotely Exploit :

No

Source :

Linux
Affected Products

The following products are affected by CVE-2026-80924 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Free derived key buffers securely using kfree_sensitive to prevent memory leakage.
  • Apply the patch for crypto: krb5.
  • Use kfree_sensitive for derived key buffers.
  • Ensure key material is not leaked.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

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EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.