#VU104815 Infinite loop in Linux kernel - CVE-2022-49723

Vulnerability identifier: #VU104815

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-2022-49723

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 error_state_read() function in drivers/gpu/drm/i915/i915_sysfs.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/606e5d565605e26bf61a0933a6d56940f339c080
https://git.kernel.org/stable/c/63b26fe0252f923e6aca373e3ad4b31202dcd331
https://git.kernel.org/stable/c/c9b576d0c7bf55aeae1a736da7974fa202c4394d
https://git.kernel.org/stable/c/f4c5eba87675a07a6c28cdaca7366aeb4258ec78

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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.