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
- git.kernel.org/stable/c/7e5d007e0df946bffb8542fb112e0044014a5897
- git.kernel.org/stable/c/2997f4bd1f982e7013709946e00be89b507693fa
- git.kernel.org/stable/c/95c71365a2222908441b54d6f2c315e0c79fcec3
- git.kernel.org/stable/c/69d61639bc7e963c3b645e570279d731e7c89062
- git.kernel.org/stable/c/f970646b9a39539d1bac86822ac78b5915455ea9
- git.kernel.org/stable/c/de6c1dc3c7d01a152607e6fcecee4d5288283f10
- git.kernel.org/stable/c/cf2199171ef799ca7270019125f4a91bd20ad4d9
- git.kernel.org/stable/c/3a359bf5c61d52e7f09754108309d637532164a6
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.