High · published August 26, 2024
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").
| Product | Versions | Fixed in |
|---|---|---|
| debian/debian_linux | all versions | — |
| linux/linux_kernel | ≥ 3.18, < 5.10.234 | 5.10.234 |
| linux/linux_kernel | ≥ 5.11, < 5.15.174 | 5.15.174 |
| linux/linux_kernel | ≥ 5.16, < 6.1.107 | 6.1.107 |
| linux/linux_kernel | ≥ 6.2, < 6.6.47 | 6.6.47 |
| linux/linux_kernel | ≥ 6.7, < 6.10.6 | 6.10.6 |