CVE-2026-64208

Published: Jul 24, 2026Modified: Aug 12, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)

Description

In the Linux kernel, the following vulnerability has been resolved: crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks Change the krb5 crypto library to provide facilities to precheck the length of the message about to be decrypted or verified. Fix AF_RXRPC to make use of this to validate DATA packets secured with RxGK.

Affected (6)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 6.16 to 6.18.34
Linux Linux Kernel	From 6.19 to 7.0.11
Linux Linux Kernel	Version 7.1 rc1
Linux Linux Kernel	Version 7.1 rc2
Linux Linux Kernel	Version 7.1 rc3
Linux Linux Kernel	Version 7.1 rc4

References (3)

https://git.kernel.org/stable/c/2b50aceafe6606ea52ed42aadd1b4d44a188aade

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/585f9f6aef5c4542ac9d6ec45cd7dbc7df9af3ff

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

https://git.kernel.org/stable/c/9217017f4bce53dddb8d547837f1f707045d64ad

Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Patch

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