CVE-2022-48863

MEDIUM

Linux Kernel - Use-After-Free in dsp_pipeline_build()

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsp_pipeline_build() dsp_pipeline_build() allocates dup pointer by kstrdup(cfg), but then it updates dup variable by strsep(&dup, "|"). As a result when it calls kfree(dup), the dup variable contains NULL. Found by Linux Driver Verification project (linuxtesting.org) with SVACE.

References (4)

Core 4

Scores

CVSS v3 5.5
EPSS 0.0025
EPSS Percentile 15.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (14)
linux/Kernel 2.6.27 - 5.10.106linux
linux/Kernel 5.11.0 - 5.15.29linux
linux/Kernel 5.16.0 - 5.16.15linux
Linux/Linux < 2.6.27
Linux/Linux 2.6.27
Linux/Linux 5.10.106 - 5.10.*
Linux/Linux 5.15.29 - 5.15.*
Linux/Linux 5.16.15 - 5.16.*
Linux/Linux 5.17
Linux/Linux 960366cf8dbb3359afaca30cf7fdbf69a6d6dda7 - 640445d6fc059d4514ffea79eb4196299e0e2d0f
... and 4 more
Published Jul 16, 2024
Tracked Since Feb 18, 2026