Actively exploited in the wild
Google Pixel Out-of-Bounds Write Vulnerability
Google - Pixel · Listed in the CISA KEV since 2022-04-11. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-39793
HighCVSS 7.8KEVSummary
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. This could lead to local escalation of privilege with no additional execution privileges needed.
Risk Assessment
A local attacker can escalate privileges in the Android kernel, potentially leading to device compromise.
Recommendation
Update the Android kernel to a version containing the fix for the Mali driver.
Other vulnerabilities in Android kernel
See all- CVE-2017-13174High
CVE-2017-13174 is a privilege escalation vulnerability in the Android kernel. It affects Android kernel versions and may allow unauthorized access to system resources.
- CVE-2017-13168High
CVE-2017-13168 is a privilege escalation vulnerability in the Android kernel SCSI driver. It affects the Android kernel in versions related to Android ID A-65023233.
- CVE-2017-13167High
CVE-2017-13167 describes an elevation of privilege vulnerability in the kernel sound timer of Android. It affects the Android kernel in versions that do not include patches.
- CVE-2017-13164High
An information disclosure vulnerability in the kernel binder driver of Android. It affects the Android kernel and may lead to unauthorized access to sensitive data.
- CVE-2017-13163High
CVE-2017-13163 is a privilege escalation vulnerability in the MTP USB driver in the Android kernel. It affects Android kernel versions.
- CVE-2017-13162High
CVE-2017-13162 is a privilege escalation vulnerability in the Android kernel, which may allow unauthorized access to system resources.
- CVE-2017-0864High
CVE-2017-0864 is a privilege escalation vulnerability in the MediaTek ioctl (flashlight) in Android. It affects the Android kernel.
- CVE-2017-0862High
CVE-2017-0862 is a privilege escalation vulnerability in the Android kernel. It affects unspecified versions of the Android kernel.
- CVE-2017-0794High
CVE-2017-0794 is a privilege escalation vulnerability in the Upstream kernel SCSI driver. It affects the Android operating system and its kernel.
- CVE-2017-0750High
An elevation of privilege vulnerability in the Upstream Linux file system. It affects Android kernels.
Original NVD description (English source)
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