CVE-2022-46395 — Use After Free in ARM Bifrost GPU Kernel Driver

CWE-416 — Use After Free4 documents4 sources
Severity
8.8HIGHNVD
EPSS
47.9%
top 2.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
ARM Bifrost GPU Kernel DriverARM Midgard GPU Kernel DriverARM Valhall GPU Kernel Driver+2 more
Timeline
PublishedMar 6
Latest updateMay 1

Description

An issue was discovered in the Arm Mali GPU Kernel Driver. A non-privileged user can make improper GPU processing operations to gain access to already freed memory. This affects Midgard r0p0 through r32p0, Bifrost r0p0 through r41p0 before r42p0, Valhall r19p0 through r41p0 before r42p0, and Avalon r41p0 before r42p0.

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 Packages5 packages

▶NVDarm/bifrost_gpu_kernel_driverr0p0 — r41p0
▶NVDarm/midgard_gpu_kernel_driverr0p0 — r32p0
▶NVDarm/valhall_gpu_kernel_driverr19p0 — r41p0

🔴Vulnerability Details

2
OSV
CVE-2022-46395: In tbd of tbd, there is a possible memory corruption due to a use after free↗2023-05-01
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GHSA
GHSA-fpqq-p5q5-4fhw: An issue was discovered in the Arm Mali GPU Kernel Driver↗2023-03-06
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📋Vendor Advisories

1
Android
CVE-2022-46395: Mali↗2023-05-01
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