Vulnerability · Published May 10, 2022 · Assigned by google_android
CVE-2022-20008
Medium 4.6
In plain English
A medium-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.16.11-1 | DEBIAN-CVE-2022-20008 |
| Debian:13 | linux | 5.16.11-1 | DEBIAN-CVE-2022-20008 |
| Debian:14 | linux | 5.16.11-1 | DEBIAN-CVE-2022-20008 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2022-20008 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2022-20008 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2022-20008 |
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2022-05-01 x_refsource_MISC