Integer overflow in Linux
CVE-2026-31633
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix integer overflow in rxgk_verify_response() In rxgk_verify_response(), there's a potential integer overflow due to rounding up token_len before checking it, th…
Vulnerability class: Integer Overflow
EPSS: 0.005 (37.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 9d1d2b59341f58126a69b51f9f5f8ccb9f12e54a, 6.16, 0
- Linux Linux_kernel — versions 6.16, 7.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-31633?
- CVE-2026-31633 is a critical-severity vulnerability in Linux, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2026-04-24.
- How severe is CVE-2026-31633?
- Critical severity. CVSS v3 base score is 9.8 out of 10.