vulnerability

Huawei EulerOS: CVE-2023-52469: kernel security update

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
02/26/2024
Added
07/23/2024
Modified
01/28/2025

Description

In the Linux kernel, the following vulnerability has been resolved:

drivers/amd/pm: fix a use-after-free in kv_parse_power_table

When ps allocated by kzalloc equals to NULL, kv_parse_power_table
frees adev->pm.dpm.ps that allocated before. However, after the control
flow goes through the following call chains:

kv_parse_power_table
|-> kv_dpm_init
|-> kv_dpm_sw_init
|-> kv_dpm_fini

The adev->pm.dpm.ps is used in the for loop of kv_dpm_fini after its
first free in kv_parse_power_table and causes a use-after-free bug.

Solution(s)

huawei-euleros-2_0_sp8-upgrade-bpftoolhuawei-euleros-2_0_sp8-upgrade-kernelhuawei-euleros-2_0_sp8-upgrade-kernel-develhuawei-euleros-2_0_sp8-upgrade-kernel-headershuawei-euleros-2_0_sp8-upgrade-kernel-toolshuawei-euleros-2_0_sp8-upgrade-kernel-tools-libshuawei-euleros-2_0_sp8-upgrade-perfhuawei-euleros-2_0_sp8-upgrade-python-perfhuawei-euleros-2_0_sp8-upgrade-python3-perf
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