CVE-2020-27673 Affecting kernel-tools-devel package, versions <0:4.14.209-160.335.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELTOOLSDEVEL-1691900
- published 27 Sep 2021
- disclosed 22 Oct 2020
Introduced: 22 Oct 2020
CVE-2020-27673 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-tools-devel to version 0:4.14.209-160.335.amzn2 or higher.
This issue was patched in ALAS2-2020-1566.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools-devel package and not the kernel-tools-devel package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
An issue was discovered in the Linux kernel through 5.9.1, as used with Xen through 4.14.x. Guest OS users can cause a denial of service (host OS hang) via a high rate of events to dom0, aka CID-e99502f76271.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27673
- https://security.gentoo.org/glsa/202011-06
- https://github.com/torvalds/linux/commit/e99502f76271d6bc4e374fe368c50c67a1fd3070
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e99502f76271d6bc4e374fe368c50c67a1fd3070
- https://xenbits.xen.org/xsa/advisory-332.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html
- https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html
- http://www.openwall.com/lists/oss-security/2021/01/19/6
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00075.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00025.html