CVE-2021-3659

  1. Reconshell
  2. Vulnerabilities (CVE)
  3. CVE-2021-3659
A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability.

5.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://access.redhat.com/security/cve/CVE-2021-3659 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1975949 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 Patch Vendor Advisory
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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_real_time_for_nfv_tus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*
OR cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.6:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Information

Published : 2022-08-22 08:15

Updated : 2022-08-23 11:41

NVD link : CVE-2021-3659

Mitre link : CVE-2021-3659

JSON object : View

CWE
CWE-476

NULL Pointer Dereference

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Products Affected

redhat

  • enterprise_linux_for_power_little_endian
  • enterprise_linux
  • enterprise_linux_server_aus
  • enterprise_linux_for_real_time_tus
  • enterprise_linux_for_ibm_z_systems
  • enterprise_linux_for_real_time_for_nfv_tus
  • enterprise_linux_for_real_time_for_nfv
  • codeready_linux_builder
  • enterprise_linux_for_ibm_z_systems_eus
  • enterprise_linux_server_tus
  • enterprise_linux_eus
  • enterprise_linux_server_eus
  • virtualization_host
  • enterprise_linux_for_power_little_endian_eus
  • enterprise_linux_for_real_time

fedoraproject

  • fedora

linux

  • linux_kernel