CVE-2026-31631

Published: Apr 24, 2026

Modified: May 11, 2026

PUBLISHED

CVSS v3.1

8.2

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.

Vendor	Product	Versions
Linux	Linux	affected `9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a - < 794586789800b16dcbe235452494f4223ac80413` affected `9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a - < 1c4422d8be81718ecb15d79aedff607323085201` affected `9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a - < f564af387c8c28238f8ebc13314c589d7ba8475d`
Linux	Linux	affected `6.16` unaffected `0 - < 6.16` unaffected `6.18.23 - <= 6.18.` unaffected `6.19.13 - <= 6.19.` unaffected `7.0 - <= *`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

References

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

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

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

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now

CVE-2026-31631

Description

Affected Products

CVSS v3.1 Details

References