CVE-2022-20008
In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.
In mmc_blk_read_single of block.c, there is a possible way to read kernel heap memory due to uninitialized data. This could lead to local information disclosure if reading from an SD card that triggers errors, with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-216481035References: Upstream kernel
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/2aea7dc18f4249dc53e53598db50b59c26a60aeb
- https://android.googlesource.com/kernel/common/+/8a3679a75730c1babde6bf63e35d227f3305bd90
- https://android.googlesource.com/kernel/common/+/8f66dc1a78a743ea3c3f039500d2aa0cddd776d5
- https://source.android.com/security/bulletin/2022-05-01