High severity7.5NVD Advisory· Published Aug 26, 2024· Updated Aug 4, 2026
CVE-2024-44940
CVE-2024-44940
Description
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").
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Affected products
4Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/3db4395332e7050ef9ddeb3052e6b5019f2a2a59nvdPatch
- git.kernel.org/stable/c/440ab7f97261bc28501636a13998e1b1946d2e79nvdPatch
- git.kernel.org/stable/c/a925a200299a6dfc7c172f54da6f374edc930053nvdPatch
- git.kernel.org/stable/c/b1453a5616c7bd8acd90633ceba4e59105ba3b51nvdPatch
- git.kernel.org/stable/c/dd89a81d850fa9a65f67b4527c0e420d15bf836cnvdPatch
- lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/03/msg00002.htmlnvdMailing ListThird Party Advisory
- git.kernel.org/stable/c/5a2e37bc648a2503bf6d687aed27b9f4455d82ebnvdIssue Tracking
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