#VU93127 Improper locking in Linux kernel - CVE-2024-38664

Vulnerability identifier: #VU93127

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-2024-38664

CWE-ID: CWE-667

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 improper locking within the zynqmp_dpsub_probe() and zynqmp_dpsub_remove() functions in drivers/gpu/drm/xlnx/zynqmp_dpsub.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/6ead3eccf67bc8318b1ce95ed879b2cc05b4fce9
http://git.kernel.org/stable/c/603661357056b5e5ba6d86f505fbc936eff396ba
http://git.kernel.org/stable/c/be3f3042391d061cfca2bd22630e0d101acea5fc

---

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.