Vulnerability in Linux

CVE-2026-31631

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.

EPSS: 0.001 (17.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

  • Linux — versions 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a, 6.16, 0

References

Frequently asked questions

What is CVE-2026-31631?
CVE-2026-31631 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2026-04-24.
How severe is CVE-2026-31631?
High severity. CVSS v3 base score is 8.2 out of 10.