#VU69708 Use-after-free in Linux kernel - CVE-2022-3586

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Main Vulnerability Database Vulnerabilities #VU69708

#VU69708 Use-after-free in Linux kernel - CVE-2022-3586

Published: November 29, 2022


Vulnerability identifier: #VU69708
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-3586
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. A local user can perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links