CVE-2021-29256
Arm Mali Graphics Processing Unit (GPU): Mali GPU Kernel Driver Use-After-Free
As of , CVE-2021-29256 in Arm Mali Graphics Processing Unit (GPU) is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch soon.
- Exploited
- Yes: CISA listed it on 7 July 2023
- US federal deadline
- 28 July 202321 days after CISA listed it. US federal civilian agencies must fix it by then.
- Used in ransomware campaigns
- Not known to CISA
- EPSS score
- 0.03Higher than 86% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
- EPSS when listed
- 0.00 on 7 July 2023EPSS on the day CISA listed it.
- Public exploit
- None foundNeither Metasploit nor Exploit-DB lists one.
- Fix
- Vendor advice: developer.arm.comLinks below, from CISA's entry.
What CISA says to do
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
CISA's required action
What the flaw is
Arm Mali GPU Kernel Driver contains a use-after-free vulnerability that may allow a non-privileged user to gain root privilege and/or disclose information.
CISA's 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.
The CVE record's description, from mitre
- CVE published
- 24 May 2021
- Assigned by
- mitre
- CVSS
- 8.8 High (CVSS 3.1, from CISA-ADP)
- CWE-416
- Use After Free
- CISA SSVC, exploitation
- active
- CISA SSVC, automatable
- no
- CISA SSVC, technical impact
- total
Timeline
- The CVE record was published.
- CISA added it to its list of exploited vulnerabilities.
- The US federal deadline to fix it.
Mali Graphics Processing Unit (GPU): other exploited entries
| Vulnerability | Product | Our group | Listed | Deadline | EPSS |
|---|---|---|---|---|---|
| CVE-2022-38181Mali GPU Kernel Driver Use-After-Free | Arm Mali Graphics Processing Unit (GPU) | Patch soon | 0.14 | ||
| CVE-2021-28663Use-After-Free | Arm Mali Graphics Processing Unit (GPU) | Patch soon | 0.12 | ||
| CVE-2021-28664Unspecified | Arm Mali Graphics Processing Unit (GPU) | Patch soon | 0.05 | ||
| CVE-2023-26083Mali GPU Kernel Driver Information Disclosure | Arm Mali Graphics Processing Unit (GPU) | Patch soon | 0.01 | ||
| CVE-2022-22706Mali GPU Kernel Driver Unspecified | Arm Mali Graphics Processing Unit (GPU) | Patch soon | 0.01 |
Read further
- CVE recordcve.org
- NVD entrynvd.nist.gov
- CISA's catalogcisa.gov
- EPSS for this CVEapi.first.org