VulnerabilityModified

CVE-2022-46891

There is a use-after-free.

HIGH 8.8EPSS 0.81%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1: 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.81% probability · 55th percentile
CISA KEV: Not listed
Weakness: CWE-416
Affected: arm/bifrost gpu kernel driver · arm/midgard gpu kernel driver · arm/valhall gpu kernel driver
Source: cve@mitre.org

References

https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20VulnerabilitiesVendor Advisory
https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20VulnerabilitiesVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.