netfilter: nft_flow_offload: reset dst in route object after setting up flow
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 86% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_flow_offload: reset dst in route object after setting up flow
dst is transferred to the flow object, route object does not own it
anymore. Reset dst in route object, otherwise if flow_offload_add()
fails, error path releases dst twice, leading to a refcount underflow.
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/012df10717da02367aaf92c65f9c89db206c15f4https://git.kernel.org/stable/c/4c167af9f6b5ae4a5dbc243d5983c295ccc2e43chttps://git.kernel.org/stable/c/558b00a30e05753a62ecc7e05e939ca8f0241148https://git.kernel.org/stable/c/670548c8db44d76e40e1dfc06812bca36a61e9aehttps://git.kernel.org/stable/c/9e0f0430389be7696396c62f037be4bf72cf93e3