CVE-2022-49809

MEDIUM

Linux Kernel - Use-After-Free in x25_lapb_receive_frame

Title source: llm
STIX 2.1

Description

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.

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (23)
Linux/Linux < 3.1
Linux/Linux 3.0.72 - 3.1
Linux/Linux 3.1
Linux/Linux 4.14.300 - 4.14.*
Linux/Linux 4.19.267 - 4.19.*
Linux/Linux 4.9.334 - 4.9.*
Linux/Linux 5.10.156 - 5.10.*
Linux/Linux 5.15.80 - 5.15.*
Linux/Linux 5.4.225 - 5.4.*
Linux/Linux 6.0.10 - 6.0.*
... and 13 more
Published May 01, 2025
Tracked Since Feb 18, 2026