netfilter: nf_tables: release flow rule object from commit path
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 96% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_tables: release flow rule object from commit path
No need to postpone this to the commit release path, since no packets
are walking over this object, this is accessed from control plane only.
This helped uncovered UAF triggered by races with the netlink notifier.
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/26b5934ff4194e13196bedcba373cd4915071d0ehttps://git.kernel.org/stable/c/4ab6f96444e936f5e4a936d5c0bc948144bcded3https://git.kernel.org/stable/c/6044791b7be707fd0e709f26e961a446424e5051https://git.kernel.org/stable/c/74fd5839467054cd9c4d050614d3ee8788386171https://git.kernel.org/stable/c/b2d7a92aff0fbd93c29d2aa6451fb99f050e2c4e