#VU104342 Memory leak in Linux kernel - CVE-2022-49693

Vulnerability identifier: #VU104342

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-2022-49693

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 mdp4_modeset_init_intf() function in drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.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/3c39a17197733bc37786ed68c83267c2f491840b
https://git.kernel.org/stable/c/b9cc4598607cb7f7eae5c75fc1e3209cd52ff5e0
https://git.kernel.org/stable/c/d1592d3e362cc59b29f15019707b16c695d70ca3
https://git.kernel.org/stable/c/d16a4339825e64f9ddcdff5277982d640bae933b
https://git.kernel.org/stable/c/d607da76fd2b1cf1d377af9d9b7c6f8fecbb0e1d

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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.