Vulnerability DatabaseCVE-2020-25284
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CVE-2020-25284
Published:September 13, 2020
Updated:May 17, 2026
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.
Related Resources (10)
https://access.redhat.com/security/cve/CVE-2020-25284
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
https://security-tracker.debian.org/tracker/CVE-2020-25284
https://twitter.com/grsecurity/status/1304537507560919041
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-25284
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a
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CVSS v4
Base Score:
5.6
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
CWE-863
EPSS
Base Score:
0.08