Vulnerability identifier: #VU79503

Vulnerability risk: High

CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]

CVE-ID: CVE-2023-4211

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Chrome OS
Operating systems & Components / Operating system

Vendor:

Description

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within Mali GPU Kernel Driver. A local application can trigger memory corruption and execute arbitrary code with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

---

External links
http://chromereleases.googleblog.com/2023/08/stable-channel-update-for-chromeos_14.html
http://source.android.com/docs/security/bulletin/pixel/2023-09-01
http://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities

---

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?

Yes. This vulnerability is being exploited in the wild.