#VU104299 Memory leak in Linux kernel - CVE-2022-49502

Vulnerability identifier: #VU104299

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-2022-49502

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 rga_probe() and dma_free_attrs() functions in drivers/media/platform/rockchip/rga/rga.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/1cdc768468c25d6b10ab83ec1efd4a8554532d69
https://git.kernel.org/stable/c/8ddc89437ccefa18279918c19a61fd81527f40b9
https://git.kernel.org/stable/c/a71eb6025305192e646040cd76ccacb5bd48a1b5
https://git.kernel.org/stable/c/b7bbca4d08471bc8404a946bab1aa017dd05199b
https://git.kernel.org/stable/c/eeb4819e94aa69767b9e5591e70c63e8b7c5786a

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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.