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.

References

https://git.kernel.org/stable/c/f564af387c8c28238f8ebc13314c589d7ba8475d

https://git.kernel.org/stable/c/794586789800b16dcbe235452494f4223ac80413

https://git.kernel.org/stable/c/1c4422d8be81718ecb15d79aedff607323085201

Details

Source: Mitre, NVD

Published: 2026-04-24

Updated: 2026-04-27

Risk Information

CVSS v2

Base Score: 8.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:C

Severity: High

CVSS v3

Base Score: 8.2

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