4.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
5.2 Medium
AI Score
Confidence
Low
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
5.3%
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.
CPE | Name | Operator | Version |
---|---|---|---|
linux:linux_kernel | linux linux kernel | lt | 5.8.9 |
debian:debian_linux | debian debian linux | eq | 9.0 |
opensuse:leap | opensuse leap | eq | 15.1 |
lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f44d04e696feaf13d192d942c4f14ad2e117065a
lists.debian.org/debian-lts-announce/2020/09/msg00025.html
lists.debian.org/debian-lts-announce/2020/10/msg00032.html
lists.debian.org/debian-lts-announce/2020/10/msg00034.html
twitter.com/grsecurity/status/1304537507560919041
4.1 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N
5.2 Medium
AI Score
Confidence
Low
1.9 Low
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:L/AC:M/Au:N/C:N/I:P/A:N
0.0004 Low
EPSS
Percentile
5.3%