CVE-2022-48911
netfilter: nf_queue: fix possible use-after-free
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
22 Aug 2024Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nf_queue: fix possible use-after-free
Eric Dumazet says:
The sock_hold() side seems suspect, because there is no guarantee
that sk_refcnt is not already 0.
On failure, we cannot queue the packet and need to indicate an
error. The packet will be dropped by the caller.
v2: split skb prefetch hunk into separate change
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95https://git.kernel.org/stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3https://git.kernel.org/stable/c/43c25da41e3091b31a906651a43e80a2719aa1ffhttps://git.kernel.org/stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71ahttps://git.kernel.org/stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1https://git.kernel.org/stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917eehttps://git.kernel.org/stable/c/dd648bd1b33a828f62befa696b206c688da0ec43https://git.kernel.org/stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5