Incorrect Authorization Affecting kernel-tools-devel package, versions <0:4.14.200-155.322.amzn2
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Test your applications- Snyk ID SNYK-AMZN2-KERNELTOOLSDEVEL-1687517
- published 27 Sep 2021
- disclosed 13 Sep 2020
Introduced: 13 Sep 2020
CVE-2020-25284 Open this link in a new tabHow to fix?
Upgrade Amazon-Linux:2 kernel-tools-devel 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-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.
The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25284
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a
- https://twitter.com/grsecurity/status/1304537507560919041
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- 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