CVE-2021-29256
CVSS v3
8.8
HIGH
EPSS Score
0.6 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2023-07-07
- Patch Due Date
- 2023-07-28
- Ransomware Use
- Unknown
Technical details
- Published
- 2021-05-24
Frequently asked questions
What is CVE-2021-29256?
. 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.
Is CVE-2021-29256 actively exploited?
Yes. CVE-2021-29256 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2023-07-28.
What is the CVSS score for CVE-2021-29256?
CVE-2021-29256 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-29256 affecting your environment?
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