Vulnerabilities > CVE-2022-48911 - Use After Free vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
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
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/21b27b2baa27423286e9b8d3f0b194d587083d95
- https://git.kernel.org/stable/c/ef97921ccdc243170fcef857ba2a17cf697aece5
- https://git.kernel.org/stable/c/34dc4a6a7f261736ef7183868a5bddad31c7f9e3
- https://git.kernel.org/stable/c/43c25da41e3091b31a906651a43e80a2719aa1ff
- https://git.kernel.org/stable/c/4d05239203fa38ea8a6f31e228460da4cb17a71a
- https://git.kernel.org/stable/c/dd648bd1b33a828f62befa696b206c688da0ec43
- https://git.kernel.org/stable/c/dcc3cb920bf7ba66ac5e9272293a9ba5f80917ee
- https://git.kernel.org/stable/c/c3873070247d9e3c7a6b0cf9bf9b45e8018427b1