CVE-2022-20422

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

7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-25)

CWE

CWE-667

Published

2022-10-11

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• debian:debian_linux
• google:android

References

• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
• https://source.android.com/security/bulletin/2022-10-01
• https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
• https://source.android.com/security/bulletin/2022-10-01
• https://cert-portal.siemens.com/productcert/html/ssa-770721.html

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