Vulnerability in Linux

CVE-2026-31659

In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadv_tt_prepare_tvlv_global_data() builds the allocation length for a global TT response in 16-bit temporaries…

EPSS: 0.001 (22.9th 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 7ea7b4a142758deaf46c1af0ca9ceca6dd55138b, 3.13, 0

References

Frequently asked questions

What is CVE-2026-31659?
CVE-2026-31659 is a critical-severity vulnerability in Linux. CVSS score: 9.8/10. Published 2026-04-24.
How severe is CVE-2026-31659?
Critical severity. CVSS v3 base score is 9.8 out of 10.