CVE-2022-48911high

CVE-2022-48911: high-severity vulnerability in Linux

netfilter: nf_queue: fix possible use-after-free

Published · Updated

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 89% of all CVEs
observed exploitation
nono source reports it
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
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · Linux
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References
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