Arm Mali GPU Kernel Driver Information Disclosure Vulnerability

CheckOps priority index

2.6/10 Patch within 7 days

Severity3.3

Probability0.1

Exploitation2/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 1.2% higher than 68.7% of CVEs

CVSS 3.1 3.3 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:

Exploited for 1,307 days 07 Apr 2023

CISA due date 28 Apr 2023 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 2 / 5

KEV catalog (CISA)07 Apr 2023
Exploited in EUVD (ENISA)07 Apr 2023
Used by ransomwareno
EPSS above 10 %1.2%
No account, over the networkno

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

Memory leak vulnerability in Mali GPU Kernel Driver in Midgard GPU Kernel Driver all versions from r6p0 - r32p0, Bifrost GPU Kernel Driver all versions from r0p0 - r42p0, Valhall GPU Kernel Driver all versions from r19p0 - r42p0, and Avalon GPU Kernel Driver all versions from r41p0 - r42p0 allows a non-privileged user to make valid GPU processing operations that expose sensitive kernel metadata.

Affected products

Mali Graphics Processing Unit (GPU)

Weaknesses (CWE)

CWE-401

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

06 Apr 2023
Published
07 Apr 2023
Exploitation reported (ENISA)
07 Apr 2023
Added to the KEV catalog
28 Apr 2023
CISA remediation due date

References

Other exploited vulnerabilities from the same vendor

CVE-2024-4610Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
4.2 · Background exploitation
CVE-2023-4211Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
3.4 · Background exploitation
CVE-2021-29256Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
4.8 · Background exploitation
CVE-2022-38181Arm Mali GPU Kernel Driver Use-After-Free Vulnerability
5.9 · Background exploitation
CVE-2022-22706Arm Mali GPU Kernel Driver Unspecified Vulnerability
4.4 · Background exploitation
CVE-2021-28664Arm Mali Graphics Processing Unit (GPU) Unspecified Vulnerability
4.9 · Background exploitation