Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2020-12771

Disclosure Date: May 09, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
5.5 Medium
Impact Score:
3.6
Exploitability Score:
1.8
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • linux,
  • netapp,
  • opensuse,
  • oracle

Products

  • a700s firmware -,
  • active iq unified manager -,
  • cloud backup -,
  • debian linux 9.0,
  • element software -,
  • h300e firmware -,
  • h300s firmware -,
  • h410c firmware -,
  • h410s firmware -,
  • h500e firmware -,
  • h500s firmware -,
  • h610c firmware -,
  • h610s firmware -,
  • h615c firmware -,
  • h700e firmware -,
  • h700s firmware -,
  • hci bootstrap os -,
  • hci management node -,
  • leap 15.1,
  • leap 15.2,
  • linux kernel,
  • sd-wan edge 8.2,
  • solidfire -,
  • steelstore cloud integrated storage -,
  • ubuntu linux 14.04,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04,
  • ubuntu linux 20.04

Additional Info

Technical Analysis