CVE-2021-39793
KEVGoogle Pixel Out-of-Bounds Write Vulnerability
Description
Google Pixel contains a possible out-of-bounds write due to a logic error in the code that could lead to local escalation of privilege.
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 3.1 vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedMar 16, 2022
Last modifiedJun 17, 2026
Added to KEVApr 11, 2022
Remediation dueMay 2, 2022
References
- source.android.com/security/bulletin/pixel/2022-03-01Vendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39793Third Party AdvisoryUS Government Resource
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Risk assessment · High
Actively exploited. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 1638 days
- CVSS
- 7.8 HIGH
- EPSS (30-day exploit probability)
- 0.69% · top 48% of all CVEs
- Weakness
- CWE-787
Recommended actions
- 1.Apply updates per vendor instructions.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.