Use After Free in Arm Bifrost_gpu_kernel_driver
CVE-2022-38181
The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because GPU memory operations are mishandled. This affects Bifrost r0p0 through r38p1, and r39p0; Valhall r19p0 through r38p1, and r39p0; and Midgard r4p0 thro…
Vulnerability class: Use-After-Free
EPSS: 0.126 (95.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Arm Bifrost_gpu_kernel_driver — versions r39p0
- Arm Midgard_gpu_kernel_driver
- Arm Valhall_gpu_kernel_driver — versions r39p0
- N/a — versions n/a
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Vendor Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2022-38181?
- CVE-2022-38181 is a high-severity vulnerability in Arm Bifrost_gpu_kernel_driver, classified under Use After Free. CVSS score: 8.8/10. Published 2022-10-25.
- How severe is CVE-2022-38181?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2022-38181 known to be exploited?
- Yes. CVE-2022-38181 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2023-03-30), indicating it is being actively exploited. 13 public proof-of-concept repositories are indexed.