CVE-2021-29256
Last modified
CVE-2021-29256 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. . The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. CISA has confirmed active exploitation in the wild. EPSS estimates a 3.02% chance of exploitation in the next 30 days.
Description
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Arm | Bifrost Gpu Kernel Driver | >= r16p0, < r30p0 |
| Arm | Midgard Gpu Kernel Driver | >= r28p0, < r31p0 |
| Arm | Valhall Gpu Kernel Driver | >= r19p0, < r30p0 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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