xsk: Add missing overflow check in xdp_umem_reg
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 88% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
xsk: Add missing overflow check in xdp_umem_reg
The number of chunks can overflow u32. Make sure to return -EINVAL on
overflow. Also remove a redundant u32 cast assigning umem->npgs.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/3cfc3564411acf96bf2fb791f706a1aa4f872c1dhttps://git.kernel.org/stable/c/580634b03a55f04a3c1968bcbd97736c079c6601https://git.kernel.org/stable/c/a069909acc4435eeb41d05ccc03baa447cc01b7ehttps://git.kernel.org/stable/c/bb2e3bfb2a79db0c2057c6f701b782954394c67fhttps://git.kernel.org/stable/c/c7df4813b149362248d6ef7be41a311e27bf75fe