CVE-2021-44828: arm bifrost_gpu_kernel_driver Out-of-bounds Write
CVSS: 7.8v3.1HighModified
Published 14-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-44828 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in arm bifrost_gpu_kernel_driver. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.9% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 14-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Arm Mali GPU Kernel Driver (Midgard r26p0 through r30p0, Bifrost r0p0 through r34p0, and Valhall r19p0 through r34p0) allows a non-privileged user to achieve write access to read-only memory, and possibly obtain root privileges, corrupt memory, and modify the memory of other processes.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 20-09-2026
20-09-202620-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Arm3 products
- bifrost_gpu_kernel_driver≥ r0p0, ≤ r34p0
- midgard_gpu_kernel_driver≥ r26p0, ≤ r30p0
- valhall_gpu_kernel_driver≥ r19p0, ≤ r34p0
1 vendor · 3 products
References
1 links- developer.arm.com/support/arm-security-updates/mali-gpu-kernel-driverX Refsource MISCVendor Advisory