CVE-2022-20008

CVE-2022-20008 is a medium-severity vulnerability in Google Android with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-908.

Key facts

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

Frequently asked questions

What is 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
How severe is CVE-2022-20008?
CVE-2022-20008 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-20008 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-20008?
CVE-2022-20008 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-20008?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-20008 published?
CVE-2022-20008 was published on 2022-05-10 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Google Android

All CVEs affecting Google Android →

Other CWE-908 (Use of Uninitialized Resource) vulnerabilities

Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →