virtio-net: ensure the received length does not exceed allocated size
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
virtio-net: ensure the received length does not exceed allocated size
In xdp_linearize_page, when reading the following buffers from the ring,
we forget to check the received length with the true allocate size. This
can lead to an out-of-bound read. This commit adds that missing check.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/11f2d0e8be2b5e784ac45fa3da226492c3e506d8https://git.kernel.org/stable/c/315dbdd7cdf6aa533829774caaf4d25f1fd20e73https://git.kernel.org/stable/c/6aca3dad2145e864dfe4d1060f45eb1bac75dd58https://git.kernel.org/stable/c/773e95c268b5d859f51f7547559734fd2a57660chttps://git.kernel.org/stable/c/80b971be4c37a4d23a7f1abc5ff33dc7733d649bhttps://git.kernel.org/stable/c/982beb7582c193544eb9c6083937ec5ac1c9d651https://git.kernel.org/stable/c/bc68bc3563344ccdc57d1961457cdeecab8f81efhttps://git.kernel.org/stable/c/ddc8649d363141fb3371dd81a73e1cb4ef8ed1e1https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html