CVE-2022-46891 — Use After Free in ARM Bifrost GPU Kernel Driver

CWE-416 — Use After Free3 documents3 sources
Severity
8.8HIGHNVD
EPSS
0.3%
top 46.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
ARM Bifrost GPU Kernel DriverARM Midgard GPU Kernel DriverARM Valhall GPU Kernel Driver+1 more
Timeline
PublishedJan 17
Latest updateMay 1

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 vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶NVDarm/bifrost_gpu_kernel_driverr1p0 — r40p0
▶NVDarm/midgard_gpu_kernel_driverr13p0 — r32p0
▶NVDarm/valhall_gpu_kernel_driverr19p0 — r40p0

🔴Vulnerability Details

1
GHSA
GHSA-394q-589m-ppr4: An issue was discovered in the Arm Mali GPU Kernel Driver↗2023-01-17
▶

📋Vendor Advisories

1
Android
CVE-2022-46891: Mali↗2023-05-01
▶