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

CVE-2021-3609

Disclosure Date: March 03, 2022 •
CVE-2021-3609 CVSS v3 Base Score: 7.0
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

.A flaw was found in the CAN BCM networking protocol in the Linux kernel, where a local attacker can abuse a flaw in the CAN subsystem to corrupt memory, crash the system or escalate privileges. This race condition in net/can/bcm.c in the Linux kernel allows for local privilege escalation to root.

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CVSS V3 Severity and Metrics
Base Score:
7.0 High
Impact Score:
5.9
Exploitability Score:
1
Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
kernel Affects kernel v2.6.25 to v5.13-rc6
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • linux,
  • netapp,
  • redhat

Products

  • 3scale api management 2.0,
  • build of quarkus 1.0,
  • codeready linux builder eus 8.1,
  • codeready linux builder eus 8.2,
  • codeready linux builder eus 8.4,
  • codeready linux builder for power little endian eus 8.1,
  • codeready linux builder for power little endian eus 8.2,
  • codeready linux builder for power little endian eus 8.4,
  • enterprise linux aus 8.2,
  • enterprise linux eus 8.1,
  • enterprise linux eus 8.2,
  • enterprise linux eus 8.4,
  • enterprise linux for ibm z systems eus 8.4,
  • enterprise linux for ibm z systems eus s390x 8.1,
  • enterprise linux for power little endian eus 8.1,
  • enterprise linux for power little endian eus 8.2,
  • enterprise linux for power little endian eus 8.4,
  • enterprise linux for real time 8.0,
  • enterprise linux for real time for nfv 8.0,
  • enterprise linux for real time for nfv tus 8.0,
  • enterprise linux for real time for nfv tus 8.2,
  • enterprise linux for real time tus 8.0,
  • enterprise linux for real time tus 8.2,
  • enterprise linux server aus 8.2,
  • enterprise linux server aus 8.4,
  • enterprise linux server for power little endian update services for sap solutions 8.1,
  • enterprise linux server for power little endian update services for sap solutions 8.2,
  • enterprise linux server for power little endian update services for sap solutions 8.4,
  • enterprise linux server tus 8.2,
  • enterprise linux server tus 8.4,
  • enterprise linux server update services for sap solutions 8.1,
  • enterprise linux server update services for sap solutions 8.2,
  • enterprise linux server update services for sap solutions 8.4,
  • h300e firmware -,
  • h300s firmware -,
  • h410c firmware -,
  • h410s firmware -,
  • h500e firmware -,
  • h500s firmware -,
  • h610c firmware -,
  • h610s firmware -,
  • h615c firmware -,
  • h700e firmware -,
  • h700s firmware -,
  • linux kernel,
  • openshift container platform 4.6,
  • openshift container platform 4.7,
  • openshift container platform 4.8,
  • virtualization 4.0,
  • virtualization host 4.0
Technical Analysis