CVE-2020-25284

low-risk
Published 2020-09-13

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.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.1/10 Medium
LOCAL / HIGH complexity

Affected Products (3)

Affected Vendors

Debian Linux Opensuse

References (14)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4...
Mailing List https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
Third Party Advisory https://twitter.com/grsecurity/status/1304537507560919041
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4...
Mailing List https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
Mailing List https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
Third Party Advisory https://twitter.com/grsecurity/status/1304537507560919041
20
/ 100
low-risk
Severity 11/34 · Low
Exploitability 0/34 · Minimal
Exposure 9/34 · Low