#VU90286 Out-of-bounds read in Linux kernel - CVE-2023-52816

Vulnerability identifier: #VU90286

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-2023-52816

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 svm_range_apply_attrs() function in drivers/gpu/drm/amd/amdkfd/kfd_svm.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/3f7a400d5e80f99581e3e8a9843e1f6118bf454f
http://git.kernel.org/stable/c/2806f880379232e789957c2078d612669eb7a69c
http://git.kernel.org/stable/c/d33a35b13cbfec3238043f196fa87a6384f9d087
http://git.kernel.org/stable/c/56649c43d40ce0147465a2d5756d300e87f9ee1c
http://git.kernel.org/stable/c/282c1d793076c2edac6c3db51b7e8ed2b41d60a5

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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.