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CVE-2022-3586

MEDIUM

5.5

Description

A flaw was found in the Linux kernel’s networking code. A use-after-free was found 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. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published10/19/2022

Last Modified6/25/2025

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxlinux:linux_kernel

Weaknesses (CWE)

CWE-416

References

https://github.com/torvalds/linux/commit/9efd23297cca(secalert@redhat.com)

https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html(secalert@redhat.com)

https://www.zerodayinitiative.com/advisories/upcoming/(secalert@redhat.com)

https://github.com/torvalds/linux/commit/9efd23297cca(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/upcoming/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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