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
EPSS: 0.002 (4.8th percentile) — read the EPSS interpretation.
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.
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
- arm-security@arm.com (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.