#VU100142 Infinite loop in Linux kernel - CVE-2024-50196

Vulnerability identifier: #VU100142

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-2024-50196

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 within the ocelot_irq_handler() function in drivers/pinctrl/pinctrl-ocelot.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
http://git.kernel.org/stable/c/655f5d4662b958122b260be05aa6dfdf8768efe6
http://git.kernel.org/stable/c/4a81800ef05bea5a9896f199677f7b7f5020776a
http://git.kernel.org/stable/c/20728e86289ab463b99b7ab4425515bd26aba417
http://git.kernel.org/stable/c/dcbe9954634807ec54e22bde278b5b269f921381
http://git.kernel.org/stable/c/93b8ddc54507a227087c60a0013ed833b6ae7d3c

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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.