CVE-2022-49029

HIGH

Linux Kernel Use-After-Free in IBM PEX HWMon Driver

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails Smatch report warning as follows: drivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn: '&data->list' not removed from list If ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will be freed, but data->list will not be removed from driver_data.bmc_data, then list traversal may cause UAF. Fix by removeing it from driver_data.bmc_data before free().

Scores

CVSS v3 7.8
EPSS 0.0024
EPSS Percentile 15.5%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-416
Status published
Products (27)
linux/Kernel 2.6.24 - 4.9.335linux
linux/Kernel 4.10.0 - 4.14.301linux
linux/Kernel 4.15.0 - 4.19.268linux
linux/Kernel 4.20.0 - 5.4.226linux
linux/Kernel 5.11.0 - 5.15.82linux
linux/Kernel 5.16.0 - 6.0.12linux
linux/Kernel 5.5.0 - 5.10.158linux
Linux/Linux < 2.6.24
Linux/Linux 2.6.24
Linux/Linux 4.14.301 - 4.14.*
... and 17 more
Published Oct 21, 2024
Tracked Since Feb 18, 2026