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.
Published: 2026-09-09
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Wed, 09 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-241

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

Subscriptions

Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

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

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

Link: CVE-2026-80924

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

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

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

Link: CVE-2026-80924

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-09T18:30:13Z

Weaknesses