Race Condition Affecting kernel-debuginfo package, versions <0:4.14.219-161.340.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-3327357
- published 22 Feb 2023
- disclosed 15 Dec 2021
Introduced: 15 Dec 2021
CVE-2021-39648 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.219-161.340.amzn2 or higher.
This issue was patched in ALAS2-2021-1600.
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 gadget_dev_desc_UDC_show of configfs.c, there is a possible disclosure of kernel heap memory due to a race condition. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-160822094References: Upstream kernel