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CVE-2021-3659 Details
Description
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.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
No SSVC data is available for this CVE.
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3659 | CVE | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1975949 | CVE | Issue TrackingPatchThird Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 | CVE | PatchVendor Advisory |
| https://access.redhat.com/security/cve/CVE-2021-3659 | [email protected] | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=1975949 | [email protected] | Issue TrackingPatchThird Party Advisory |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1165affd484889d4986cf3b724318935a0b120d8 | [email protected] | PatchVendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-476 | NULL Pointer Dereference | [email protected] |
| CWE-252 | Unchecked Return Value | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | < 5.12 |
CPE
Remediation
| |
| fedoraproject fedora | 34 |
CPE
Remediation
| |
| redhat enterprise linux | 7.0 8.0 |
CPE
Remediation
| |
| redhat enterprise linux for ibm z systems | 8.0 |
CPE
Remediation
| |
| redhat enterprise linux for ibm z systems eus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux for power little endian eus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux for real time | 8.0 |
CPE
Remediation
| |
| redhat enterprise linux for real time for nfv | 8.0 |
CPE
Remediation
| |
| redhat enterprise linux for real time for nfv tus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux for real time tus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux server aus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux server eus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux server tus | 8.6 |
CPE
Remediation
| |
| redhat codeready linux builder | All versions |
CPE
Remediation
| |
| redhat enterprise linux eus | 8.6 |
CPE
Remediation
| |
| redhat enterprise linux for power little endian | 8.0 |
CPE
Remediation
| |
| redhat virtualization host | 4.0 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 7, 2023 | CVE Modified | [email protected] |
| Aug 23, 2022 | Initial Analysis | [email protected] |