#VU91085 Out-of-bounds read in Linux kernel - CVE-2023-52812

Vulnerability identifier: #VU91085

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-2023-52812

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 smu_v13_0_update_pcie_parameters() function in drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.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

---

External links
http://git.kernel.org/stable/c/5b4574b663d0a1a0a62d5232429b7db9ae6d0670
http://git.kernel.org/stable/c/09f617219fe9ccd8d7b65dc3e879b5889f663b5a
http://git.kernel.org/stable/c/406e8845356d18bdf3d3a23b347faf67706472ec

---

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.