CVE-2021-39793
HIGH KEVAndroid - Out-of-bounds Write in mali_kbase_mem.c
Title source: llmExploitation Summary
CVE-2021-39793 is actively exploited and listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added April 11, 2022.
Description
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
References (2)
Core 2
Core References
Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/pixel/2022-03-01
Third Party Advisory, US Government Resource
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-39793
Scores
CVSS v3
7.8
EPSS
0.0011
EPSS Percentile
29.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
active
Automatable
no
Technical Impact
total
Details
CISA KEV
2022-04-11
VulnCheck KEV
2022-03-07
InTheWild.io
2022-03-07
ENISA EUVD
EUVD-2021-26150
CWE
CWE-787
Status
published
Products (1)
google/android
Published
Mar 16, 2022
KEV Added
Apr 11, 2022
Tracked Since
Feb 18, 2026