#VU90457 Memory leak in Linux kernel - CVE-2022-48669

Vulnerability identifier: #VU90457

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-48669

CWE-ID: CWE-401

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 memory leak within the arch/powerpc/platforms/pseries/papr_platform_attributes.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

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External links
https://git.kernel.org/stable/c/a3f22feb2220a945d1c3282e34199e8bcdc5afc4
https://git.kernel.org/stable/c/1699fb915b9f61794d559b55114c09a390aaf234
https://git.kernel.org/stable/c/7f7d39fe3d80d6143404940b2413010cf6527029
https://git.kernel.org/stable/c/d0647c3e81eff62b66d46fd4e475318cb8cb3610
https://git.kernel.org/stable/c/cda9c0d556283e2d4adaa9960b2dc19b16156bae

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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.