#VU104336 Memory leak in Linux kernel - CVE-2022-49679

Vulnerability identifier: #VU104336

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-2022-49679

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 axxia_boot_secondary() function in arch/arm/mach-axxia/platsmp.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/29ca9c4efacccdc15104a8d4bf10b5183fc92840
https://git.kernel.org/stable/c/3c19fe3f04f4f4e7a2b722c2fd3c98356fc1d72b
https://git.kernel.org/stable/c/44a5b3a073e5aaa5720929dba95b2725eb32bb65
https://git.kernel.org/stable/c/4d9c60e868f7cf8e09956e7d5bb44d807d712699
https://git.kernel.org/stable/c/71e12e5b02674459a24f16e965255d63b31fe049
https://git.kernel.org/stable/c/7c7ff68daa93d8c4cdea482da4f2429c0398fcde
https://git.kernel.org/stable/c/a9b76c232a1ce4cbf27862097f7eb634dcc779eb
https://git.kernel.org/stable/c/b385cb59aac8d61c29bc72ebf3d19a536914af96

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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.