CVE-2024-44940: Debian Linux

High severity, CVSS 7.8. EPSS: 0.8% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is easily constructed. Syzbot generates them and sets off this warning. Remove the warning as it is expected and not actionable. The warning was previously reduced from WARN_ON to WARN_ON_ONCE in commit 270136613bf7 ("fou: Do WARN_ON_ONCE in gue_gro_receive for bad proto callbacks").

Affected products

• Debian Debian Linux: version 11.0 only
• Linux Linux Kernel: from 3.18, before 5.10.234 (fixed in 5.10.234); from 5.11, before 5.15.174 (fixed in 5.15.174); from 5.16, before 6.1.107 (fixed in 6.1.107); from 6.2, before 6.6.47 (fixed in 6.6.47); from 6.7, before 6.10.6 (fixed in 6.10.6)

Published 2024-08-26. Last modified 2026-08-04.