CVE-2026-80924 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux Subscribe	Linux Kernel Subscribe

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207
https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962
https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931
https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9

History

Wed, 09 Sep 2026 16:30:00 +0000

Type	Values Removed	Values Added
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.
Title		crypto: krb5 - use kfree_sensitive() for derived key buffers
First Time appeared		Linux Linux linux Kernel
CPEs		cpe:2.3:o:linux:linux_kernel::::::::
Vendors & Products		Linux Linux linux Kernel
References		https://git.kernel.org/stable/c/731a5b6fb4c1705f9405d9029dd64ea81e336207 https://git.kernel.org/stable/c/91b96dc9cc250cd16751f53de525cf3442ca0962 https://git.kernel.org/stable/c/a1bf79365794783b19f5b09e8a23f7ee311e8931 https://git.kernel.org/stable/c/f7d53dd3f267e46a784f219a75072f2f400d42b9

Projects

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MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2026-09-09T16:19:44.150Z

Updated: 2026-09-09T16:19:44.150Z

Reserved: 2026-08-26T14:34:25.802Z

Link: CVE-2026-80924

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-09-09T17:17:47.653

Modified: 2026-09-09T17:17:47.653

Link: CVE-2026-80924

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

No weakness.

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