SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2022-20422

In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition.

HIGH 7.0EPSS 0.15%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-237540956References: Upstream kernel

CVSS 3.1
7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.15% probability · 5th percentile
CISA KEV
Not listed
Weakness
CWE-667
Affected
google/android · debian/debian linux
Source
security@android.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.