CVE-2020-25284

Description

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.

Category

4.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a patch vendor advisory
https://twitter.com/grsecurity/status/1304537507560919041 third party advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html third party advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html vendor advisory mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-25284?
CVE-2020-25284 has been scored as a medium severity vulnerability.
How to fix CVE-2020-25284?
To fix CVE-2020-25284, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25284 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-25284 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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