Vulnerability identifier: #VU92959

Vulnerability 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-2022-48752

CWE-ID: CWE-399

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

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

The vulnerability exists due to resource management error within the power_pmu_disable() function in arch/powerpc/perf/core-book3s.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/55402a4618721f350a9ab660bb42717d8aa18e7c
http://git.kernel.org/stable/c/28aaed966e76807a71de79dd40a8eee9042374dd
http://git.kernel.org/stable/c/fa4ad064a6bd49208221df5e62adf27b426d1720
http://git.kernel.org/stable/c/fb6433b48a178d4672cb26632454ee0b21056eaa

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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.