Vulnerability identifier: #VU89248

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26603

CWE-ID: CWE-835

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 infinite loop in arch/x86/kernel/fpu/signal.c. A local user can consume all available system resources and cause denial of service conditions.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel:

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External links
http://git.kernel.org/stable/c/627339cccdc9166792ecf96bc3c9f711a60ce996
http://git.kernel.org/stable/c/b2479ab426cef7ab79a13005650eff956223ced2
http://git.kernel.org/stable/c/627e28cbb65564e55008315d9e02fbb90478beda
http://git.kernel.org/stable/c/d877550eaf2dc9090d782864c96939397a3c6835
http://git.kernel.org/stable/c/8bd3eee7720c14b59a206bd05b98d7586bccf99a

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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.