Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2022-08-22T15:15:13.690

Last Modified

2024-11-21T06:22:05.687

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-252
Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.12	Yes
Operating System	fedoraproject	fedora	34	Yes
Operating System	redhat	enterprise_linux	7.0	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems	8.0	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems_eus	8.6	Yes
Operating System	redhat	enterprise_linux_for_power_little_endian_eus	8.6	Yes
Operating System	redhat	enterprise_linux_for_real_time	8.0	Yes
Operating System	redhat	enterprise_linux_for_real_time_for_nfv	8.0	Yes
Operating System	redhat	enterprise_linux_for_real_time_for_nfv_tus	8.6	Yes
Operating System	redhat	enterprise_linux_for_real_time_tus	8.6	Yes
Operating System	redhat	enterprise_linux_server_aus	8.6	Yes
Operating System	redhat	enterprise_linux_server_eus	8.6	Yes
Operating System	redhat	enterprise_linux_server_tus	8.6	Yes
Application	redhat	codeready_linux_builder	-	Yes
Operating System	redhat	enterprise_linux	8.0	No
Operating System	redhat	enterprise_linux_eus	8.6	No
Operating System	redhat	enterprise_linux_for_power_little_endian	8.0	No
Operating System	redhat	enterprise_linux_for_power_little_endian_eus	8.6	No
Application	redhat	virtualization_host	4.0	Yes
Operating System	redhat	enterprise_linux	8.0	No

References

https://access.redhat.com/security/cve/CVE-2021-3659 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1975949 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 Patch, Vendor Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2021-3659 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1975949 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)