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CVE-2020-12771

Published: May 9, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-667
NVD MITRE
5.5CVSSMEDIUM
EPSS Score
0.5%
Top 60.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-667

Affected Products

n/an/a
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise Server for SAP ApplicationsNovell Inc.
On-premOS
Operating Systems / linux-distro
Suse Linux Enterprise ServerNovell Inc.
On-premOS
Operating Systems / linux-distro
SUSE Linux Enterprise High Performance ComputingNovell Inc.
On-premOS
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
novell inc.commercialUSOperating Systems
and 28 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
lists.opensuse.org
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
lists.opensuse.org
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
lists.debian.org
and 46 more references View all →

Timeline

Published
May 9, 2020
Last Updated
Nov 21, 2024

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