#VU90280 Out-of-bounds read in Linux kernel - CVE-2023-52794

Vulnerability identifier: #VU90280

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-2023-52794

CWE-ID: CWE-125

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 an out-of-bounds read error within the module_param_cb() function in drivers/thermal/intel/intel_powerclamp.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/6a3866dbdcf39ac93e98708e6abced511733dc18
http://git.kernel.org/stable/c/0a8585281b11e3a0723bba8d8085d61f0b55f37c
http://git.kernel.org/stable/c/fae633cfb729da2771b5433f6b84ae7e8b4aa5f7

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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.