Use After Free in Arm Bifrost GPU Kernel Driver
CVE-2023-5249
Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver allows a local non-privileged user to make improper memory processing operations to exploit a software race condition. If the system’s memory is carefully prepared by the user, then this in turn cause a use-after-free.This issue affects Bifrost GPU Kernel Driver: from r35p0 through r40p0; Valhall GPU Kernel Driver: from r35p0 through r40p0.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (3.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Arm Bifrost GPU Kernel Driver
- Arm Valhall GPU Kernel Driver
- Arm Ltd Bifrost GPU Kernel Driver — versions r35p0
- Arm Ltd Valhall GPU Kernel Driver — versions r35p0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- developer.arm.com/Arm Security Center/Mali GPU Driver Vulnerabilities (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-5249?
- CVE-2023-5249 is a high-severity vulnerability in Arm Bifrost GPU Kernel Driver, classified under Use After Free. CVSS score: 7.0/10. Published 2024-02-05.
- How severe is CVE-2023-5249?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2023-5249 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.