Buffer overflow in Linux

CVE-2026-46136

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix a potential clc buffer length underflow The buf_len is used to limit the iterations for retrieving the country power setting and may underflow un…

Vulnerability class: Buffer Overflow

EPSS: 0.001 (2.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Linux — versions 5c8cac512844ad593d31258e215908014381bee2, 0c9318d49e501a5d50b02bd91a4813bde2353488, 7.0.7
  • Linux Linux_kernel

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-46136?
CVE-2026-46136 is a high-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2026-05-28.
How severe is CVE-2026-46136?
High severity. CVSS v3 base score is 7.8 out of 10.