Memory Leak Affecting kernel package, versions <0:4.14.171-136.231.amzn2
Threat Intelligence
EPSS
0.05% (17th
percentile)
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-AMZN2-KERNEL-1678454
- published 27 Sep 2021
- disclosed 30 Dec 2019
Introduced: 30 Dec 2019
CVE-2019-20096 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.171-136.231.amzn2 or higher.
This issue was patched in ALAS2-2020-1399.
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.
In the Linux kernel before 5.1, there is a memory leak in __feat_register_sp() in net/dccp/feat.c, which may cause denial of service, aka CID-1d3ff0950e2b.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20096
- http://packetstormsecurity.com/files/156455/Kernel-Live-Patch-Security-Notice-LSN-0063-1.html
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1d3ff0950e2b40dc861b1739029649d03f591820
- https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
- https://usn.ubuntu.com/4285-1/
- https://usn.ubuntu.com/4286-1/
- https://usn.ubuntu.com/4286-2/
- https://usn.ubuntu.com/4287-1/
- https://usn.ubuntu.com/4287-2/
CVSS Scores
version 3.1