Out-of-bounds Write Affecting kernel package, versions <0:4.14.200-155.322.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNEL-1687467
- published 27 Sep 2021
- disclosed 18 Sep 2020
Introduced: 18 Sep 2020
CVE-2020-14390 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel to version 0:4.14.200-155.322.amzn2 or higher.
This issue was patched in ALAS2-2020-1520.
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.
A flaw was found in the Linux kernel in versions before 5.9-rc6. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14390
- https://bugzilla.redhat.com/show_bug.cgi?id=1876788
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html