#VU89248 Infinite loop in Linux kernel - CVE-2024-26603
Vulnerability identifier: #VU89248
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-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: All versions
External links
https://git.kernel.org/stable/c/627339cccdc9166792ecf96bc3c9f711a60ce996
https://git.kernel.org/stable/c/b2479ab426cef7ab79a13005650eff956223ced2
https://git.kernel.org/stable/c/627e28cbb65564e55008315d9e02fbb90478beda
https://git.kernel.org/stable/c/d877550eaf2dc9090d782864c96939397a3c6835
https://git.kernel.org/stable/c/8bd3eee7720c14b59a206bd05b98d7586bccf99a
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.
