CVE-2021-3659 — Unchecked Return Value in Kernel
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 68.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 22
Latest updateMay 23
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
Also affects: Enterprise Linux 7.0, 8.0, 8.6, Fedora 34
Patches
🔴Vulnerability Details
3GHSA▶
GHSA-578w-3cjw-832g: A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802↗2022-08-23
CVEList
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OSV
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📋Vendor Advisories
6Microsoft▶
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 th↗2022-08-09