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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.

Severity (CVSS NVD)4.6Medium
Exploit odds (30 days)0.4%top 67.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

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

EcosystemPackageFixed inAdvisory
Debian:12linux5.16.11-1DEBIAN-CVE-2022-20008
Debian:13linux5.16.11-1DEBIAN-CVE-2022-20008
Debian:14linux5.16.11-1DEBIAN-CVE-2022-20008
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-20008
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-20008
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-20008

Affected products (as reported)

VendorProductVersions
n/a Android Android kernel

References