#VU91540 Improper locking in Linux kernel - CVE-2023-52589

Vulnerability identifier: #VU91540

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-2023-52589

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 rkisp1_isp_stop() function in drivers/media/platform/rockchip/rkisp1/rkisp1-isp.c, within the rkisp1_csi_disable() function in drivers/media/platform/rockchip/rkisp1/rkisp1-csi.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
https://git.kernel.org/stable/c/bf808f58681cab64c81cd814551814fd34e540fe
https://git.kernel.org/stable/c/fab483438342984f2a315fe13c882a80f0f7e545
https://git.kernel.org/stable/c/7bb1a2822aa2c2de4e09bf7c56dd93bd532f1fa7
https://git.kernel.org/stable/c/870565f063a58576e8a4529f122cac4325c6b395

---

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.