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Status published
Medium
CVE-2020-12771
An issue was discovered in the Linux kernel through 5.6.11....
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
- https://usn.ubuntu.com/4463-1/
- https://usn.ubuntu.com/4465-1/
- https://usn.ubuntu.com/4462-1/
- https://usn.ubuntu.com/4483-1/
- https://usn.ubuntu.com/4485-1/
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://security.netapp.com/advisory/ntap-20200608-0001/
- https://lkml.org/lkml/2020/4/26/87
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Affected Vendor
linux
View all reports →Affected Software
linux kernel, debian linux, leap, ubuntu linux, active iq unified manager, cloud backup, element software, hci management node, solidfire, steelstore cloud integrated storage, hci bootstrap os, a700s firmware, h300s firmware, h500s firmware, h700s firmware, h300e firmware, h500e firmware, h700e firmware, h410s firmware, h410c firmware, h610c firmware, h610s firmware, h615c firmware, sd-wan edge
Vulnerable Versions:
0, 9.0, 15.1, 15.2, 14.04, 16.04, 18.04, 20.04, 8.2
Timeline
Official Publish:
May 9th, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.