CVE-2021-39793

Timeline

Detection, updates, and resolution for this record.

1. Mar 16, 2022 · Catalog

   Detected

   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

2. Apr 11, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 2, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   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

Affected

• cpe google/androidversion unspecified
• vendor Google Pixelversion unspecified

Sources

• CISA KEVCVE-2021-39793

  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.

  cisa.gov
• CVE.orgCVE-2021-39793

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2021-39793

  30-day exploitation probability 0.7%

  first.org
• NIST NVDCVE-2021-39793

  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:

  nvd.nist.gov

References

• CISA note · nvd.nist.gov
• Vendor Advisory · source.android.com
• Third Party Advisory · cisa.gov