SB2023040434 - Use-after-free in Mali GPU kernel drivers
Published: April 4, 2023
Security Bulletin ID
SB2023040434
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-36449)
CWE-ID: CWE-416 - Use After Free
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local application to escalate privileges on the system.
The vulnerability exists due to a use-after-free error. A local application can execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities
- http://packetstormsecurity.com/files/168431/Arm-Mali-Released-Buffer-Use-After-Free.html
- http://packetstormsecurity.com/files/168434/Arm-Mali-CSF-Missing-Buffer-Size-Check.html
- http://packetstormsecurity.com/files/168432/Arm-Mali-Physical-Address-Exposure.html
- http://packetstormsecurity.com/files/168433/Arm-Mali-Race-Condition.html