#VU104251 Memory leak in Linux kernel - CVE-2022-49341

Vulnerability identifier: #VU104251

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:U/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-49341

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 bpf_jit_binary_free() function in arch/arm64/net/bpf_jit_comp.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/0cf7aaff290cdc4d7cee683d4a18138b0dacac48
https://git.kernel.org/stable/c/10f3b29c65bb2fe0d47c2945cd0b4087be1c5218
https://git.kernel.org/stable/c/3f4d5e727aeaa610688d46c9f101f78b7f712583
https://git.kernel.org/stable/c/41f7c4f85d402043687e863627a1a84fa867c62d
https://git.kernel.org/stable/c/5c25a3040bc0486c41a7b63a1fb0de7cdb846ad7
https://git.kernel.org/stable/c/aaf61a312af63e1cfe2264c4c5b8cd4ea3626025
https://git.kernel.org/stable/c/e412b3d178ea4bf746f6b8ee086761613704c6be

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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.