CVE-2022-20422 — Improper Locking in Google Android

CWE-667 — Improper LockingCWE-362 — Race Condition28 documents8 sources
Severity
7.0HIGHNVD
EPSS
0.0%
top 86.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelDebian LinuxDebian Linux+1 more
Timeline
PublishedOct 11
Latest updateApr 13

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 vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages4 packages

▶Debianlinux/linux_kernel< 5.10.140-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-197.208+3
▶debiandebian/linux< linux 5.19.6-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

Patch: source.android.com ↗Patch: source.android.com ↗

🔴Vulnerability Details

14
VulDB
Google Android armv8_deprecated.c emulation_proc_handler race condition (A-237540956 / EUVD-2022-25682)↗2026-04-13
▶
VulDB
Google Android race condition (A-237540956 / EUVD-2022-25682)↗2026-04-13
▶
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities↗2024-04-19
▶
OSV
linux-azure vulnerabilities↗2022-12-12
▶
OSV
linux-gcp-5.4 vulnerabilities↗2022-11-29
▶

📋Vendor Advisories

13
Ubuntu
Linux kernel vulnerabilities↗2024-04-19
▶
CISA ICS
Siemens SIMATIC↗2024-03-14
▶
CISA ICS
Siemens SIMATIC S7-1500 TM MFP BIOS↗2023-06-15
▶
CISA ICS
Siemens SIMATIC S7-1500 TM MFP Linux Kernel↗2023-06-15
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2022-12-12
▶