Improper Locking Affecting kernel package, versions <0:4.14.248-189.473.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-3310486
- published 4 Feb 2023
- disclosed 15 Jun 2022
Introduced: 15 Jun 2022
CVE-2022-20141 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.248-189.473.amzn2 or higher.
This issue was patched in ALAS2-2021-1712.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream kernel