CVE-2022-49809

net/x25: Fix skb leak in x25_lapb_receive_frame()

Published: 5/1/2025 Last updated: 5/4/2025 Reserved: 5/1/2025

In the Linux kernel, the following vulnerability has been resolved: net/x25: Fix skb leak in x25_lapb_receive_frame() x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (1)

Product	Vendor	Version
Linux	Linux	< 1.4.4

References (8)

https://git.kernel.org/stable/c/fda0ba7c84b46d10947c687320804b9de149a921
https://git.kernel.org/stable/c/dfcfbe4f2e4b2c81cff4e79b48502d97fda73118
https://git.kernel.org/stable/c/0ef17d966445358a55c5f4ccf2c73cca3e39192b
https://git.kernel.org/stable/c/e109b41870db995cae25dfaf0cc3922f9028b1a1
https://git.kernel.org/stable/c/9f00da9c866d506998bf0a3f699ec900730472da
https://git.kernel.org/stable/c/c8baf1fc248b2e88642f094fea9509a9bf98c5bb
https://git.kernel.org/stable/c/2d675be16a461310d738d93f9f1a00da62055c5a
https://git.kernel.org/stable/c/2929cceb2fcf0ded7182562e4888afafece82cce