CVE-2021-39793In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code.
Updated under an hour ago ()
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It affects google android. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Apr 11, 2022; federal agencies had to remediate by May 2, 2022. Treat that date as your deadline.
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In kbase_jd_user_buf_pin_pages of mali_kbase_mem.c, there is a possible out of bounds write due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-210470189References: N/A
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-787
- Known exploited
- Added to CISA KEV Apr 11, 2022; federal remediation due May 2, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 0.69% (percentile 52)
- Assigned by
- google_android
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
google android google:android | all versions | NVD |
References
- https://source.android.com/security/bulletin/pixel/2022-03-01x-refsource-misc, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39793third-party-advisory, us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.