Use After Free Affecting kernel-debuginfo package, versions <0:4.14.203-156.332.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-1688559
- published 27 Sep 2021
- disclosed 14 Oct 2020
How to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.203-156.332.amzn2 or higher.
This issue was patched in ALAS2-2020-1556.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A