CVE-2020-12771
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.5%
An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| linux:linux_kernel | linux linux kernel | le | 5.6.11 |
References
lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
lists.debian.org/debian-lts-announce/2020/08/msg00019.html
lists.debian.org/debian-lts-announce/2020/10/msg00032.html
lists.debian.org/debian-lts-announce/2020/10/msg00034.html
lkml.org/lkml/2020/4/26/87
security.netapp.com/advisory/ntap-20200608-0001/
usn.ubuntu.com/4462-1/
usn.ubuntu.com/4463-1/
usn.ubuntu.com/4465-1/
usn.ubuntu.com/4483-1/
usn.ubuntu.com/4485-1/
www.oracle.com/security-alerts/cpuApr2021.html
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.9 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
44.5%