Vulnerability in Linux

CVE-2026-64088

In the Linux kernel, the following vulnerability has been resolved: batman-adv: tt: fix negative tt_buff_len batadv_orig_node::tt_buff_len was declared as s16, but the field is never intended to hold a negative value. When a value greate…

EPSS: 0.002 (8.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions a73105b8d4c765d9ebfb664d0a66802127d8e4c7, 3.1, 0

References

Frequently asked questions

What is CVE-2026-64088?
CVE-2026-64088 is a high-severity vulnerability in Linux. CVSS score: 8.8/10. Published 2026-07-19.
How severe is CVE-2026-64088?
High severity. CVSS v3 base score is 8.8 out of 10.