#VU92978 Resource management error in Linux kernel - CVE-2022-48755

Vulnerability identifier: #VU92978

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-2022-48755

CWE-ID: CWE-399

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 resource management error within the EMIT() function in arch/powerpc/net/bpf_jit_comp64.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/129c71829d7f46423d95c19e8d87ce956d4c6e1c
https://git.kernel.org/stable/c/3bfbc00587dc883eaed383558ae512a351c2cd09
https://git.kernel.org/stable/c/aaccfeeee1630b155e8ff0d6c449d3de1ef86e73
https://git.kernel.org/stable/c/3f5f766d5f7f95a69a630da3544a1a0cee1cdddf

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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.