CVE-2026-43077: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - Fix minimum RX size check for decryption The check for the minimum receive buffer size did not take the tag size into account during decryption. Fix this by adding the required extra length.

Affected products

• Linux Linux Kernel: from 4.14.1, before 5.10.254 (fixed in 5.10.254); from 5.11, before 5.15.204 (fixed in 5.15.204); from 5.16, before 6.1.170 (fixed in 6.1.170); from 6.2, before 6.6.136 (fixed in 6.6.136); from 6.7, before 6.12.83 (fixed in 6.12.83); from 6.13, before 6.18.24 (fixed in 6.18.24); …

Published 2026-05-06. Last modified 2026-06-17.