Improper locking in Linux kernel base power driver

1) Improper locking

EUVDB-ID: #VU90800

Risk: Low

CVSSv3.1: 4.8 [AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52498

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper locking within the dev_pm_skip_resume(), complete_all(), dpm_async_fn(), dpm_noirq_resume_devices(), dpm_resume_noirq(), pm_runtime_enable(), dpm_resume_early(), dpm_resume_start(), device_resume() and dpm_resume() functions in drivers/base/power/main.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/f46eb832389f162ad13cb780d0b8cde93641990d
http://git.kernel.org/stable/c/a1d62c775b07213c73f81ae842424c74dd14b5f0
http://git.kernel.org/stable/c/e1c9d32c98309ae764893a481552d3f99d46cb34
http://git.kernel.org/stable/c/e681e29d1f59a04ef773296e4bebb17b1b79f8fe
http://git.kernel.org/stable/c/9bd3dce27b01c51295b60e1433e1dadfb16649f7
http://git.kernel.org/stable/c/7839d0078e0d5e6cc2fa0b0dfbee71de74f1e557

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.