Out-of-Bounds Affecting kernel-debuginfo package, versions <0:4.14.214-160.339.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELDEBUGINFO-1693234
- published 27 Sep 2021
- disclosed 26 May 2021
Introduced: 26 May 2021
CVE-2020-27815 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-debuginfo to version 0:4.14.214-160.339.amzn2 or higher.
This issue was patched in ALAS2-2021-1588.
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.
A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
References
- https://security.netapp.com/advisory/ntap-20210702-0004/
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27815
- https://www.debian.org/security/2021/dsa-4843
- https://bugzilla.redhat.com/show_bug.cgi?id=1897668,
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c
- https://www.openwall.com/lists/oss-security/2020/11/30/5,
- https://www.openwall.com/lists/oss-security/2020/12/28/1,
- https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
- https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html
- http://www.openwall.com/lists/oss-security/2020/11/30/5
- http://www.openwall.com/lists/oss-security/2020/12/28/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C
- https://www.openwall.com/lists/oss-security/2020/11/30/5%2C
- https://www.openwall.com/lists/oss-security/2020/12/28/1%2C