Use After Free Affecting kernel-debuginfo package, versions <0:4.14.296-222.539.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-3243909
- published 21 Jan 2023
- disclosed 30 Sep 2022
Introduced: 30 Sep 2022
CVE-2022-41849 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.296-222.539.amzn2 or higher.
This issue was patched in ALAS2-2022-1876.
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.
drivers/video/fbdev/smscufx.c in the Linux kernel through 5.19.12 has a race condition and resultant use-after-free if a physically proximate attacker removes a USB device while calling open(), aka a race condition between ufx_ops_open and ufx_usb_disconnect.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-41849
- https://lists.debian.org/debian-lts-announce/2022/12/msg00031.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html
- https://lore.kernel.org/all/20220925133243.GA383897@ubuntu/T/
- https://lore.kernel.org/all/20220925133243.GA383897%40ubuntu/T/
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5610bcfe8693c02e2e4c8b31427f1bdbdecc839c