Vulnerability · Published Aug 11, 2022 · Assigned by google_android

CVE-2022-20158

Medium 6.7

In plain English

A medium-severity use-after-free in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)6.7Medium

Exploit odds (30 days)0.1%top 98.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

In bdi_put and bdi_unregister of backing-dev.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-182815710References: Upstream kernel

Affected products (as reported)

Vendor	Product	Versions
n/a	Android	Android kernel

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://source.android.com/security/bulletin/pixel/2022-08-01 x_refsource_MISC