Use After Free Affecting kernel package, versions <0:4.14.301-224.520.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-3167755
- published 13 Dec 2022
- disclosed 23 Nov 2022
Introduced: 23 Nov 2022
CVE-2022-42896 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.301-224.520.amzn2 or higher.
This issue was patched in ALAS2-2022-1903.
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.
There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim.
We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url