CVE-2026-31631

High

Description

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix buffer overread in rxgk_do_verify_authenticator() Fix rxgk_do_verify_authenticator() to check the buffer size before checking the nonce.

SeverityHigh
CVSS8.2
Exploit probability—
ProductLinux Kernel
PublishedApr 24, 2026
First seenApr 24, 2026

How to fix

Update
  • linux linux_kernel6.18.23, 6.19.13 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel6.16.1 ≤ v < 6.18.23, 6.19 ≤ v < 6.19.13, 6.16, 7.06.18.23, 6.19.13

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