# CVE-2026-31631

> Vulnerability · severity: **HIGH** (CVSS 8.2).

## 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.

## Key facts

- **CVE ID:** CVE-2026-31631
- **Published:** 2026-04-24
- **CVSS severity:** HIGH
- **CVSS base score:** 8.2
- **CWE codes:** CWE-787

## Affected products

- `linux:linux_kernel`

## Primary sources

- NIST NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-31631

## Citation

> AI Analytics. CVE-2026-31631. Retrieved 2026-08-12 from https://api.ai-analytics.org/cve/CVE-2026-31631. Derived from NIST NVD. Licensed CC0.

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