CVE-2022-46891
HIGHCVSS 8.8/10EPSS 0.81%
Last modified
CVE-2022-46891 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. EPSS estimates a 0.81% chance of exploitation in the next 30 days.
Description
An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arm | Bifrost Gpu Kernel Driver | >= r1p0, <= r40p0 |
| Arm | Midgard Gpu Kernel Driver | >= r13p0, <= r32p0 |
| Arm | Valhall Gpu Kernel Driver | >= r19p0, <= r40p0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-46891?
An issue was discovered in the Arm Mali GPU Kernel Driver. There is a use-after-free. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r13p0 through r32p0, Bifrost r1p0 through r40p0, and Valhall r19p0 through r40p0.
How severe is CVE-2022-46891?
CVE-2022-46891 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2022-46891?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-46891?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST