CVE-2022-20422 — HIGH (7.0)

Vulnerability 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 Score

7.0

HIGH

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Google	Android	-
Debian	Debian Linux	10.0

Related Weaknesses (CWE)

CWE-667

References

https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
https://source.android.com/security/bulletin/2022-10-01PatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
https://source.android.com/security/bulletin/2022-10-01PatchVendor Advisory

FAQ

What is CVE-2022-20422?

CVE-2022-20422 is a vulnerability with a CVSS score of 7.0 (HIGH). 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 privil...

How severe is CVE-2022-20422?

CVE-2022-20422 has been rated HIGH with a CVSS base score of 7.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-20422?

Check the references section above for vendor advisories and patch information. Affected products include: Google Android, Debian Debian Linux.