#VU104333 Memory leak in Linux kernel - CVE-2022-49676

Vulnerability identifier: #VU104333

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-2022-49676

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 of_get_dram_timings() function in drivers/memory/samsung/exynos5422-dmc.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/1332661e09304b7b8e84e5edc11811ba08d12abe
https://git.kernel.org/stable/c/889aad2203e09eed2071ca8985c25e9d6aea5735
https://git.kernel.org/stable/c/bb2a481778c60f912c363e271ae46b55ff8132db
https://git.kernel.org/stable/c/cde4480b5ab06195b9164184b0c02ced71e601b4

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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.