🛡️ CVE-2022-47929
🟡 CVSS 5.5 — Medium ⚠️ Exploit Public CWE-476 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

In the Linux kernel before 6.1.6, a NULL pointer dereference bug in the traffic control subsystem allows an unprivileged user to trigger a denial of service (system crash) via a crafted traffic control configuration that is set up with "tc qdisc" and "tc class" commands. This affects qdisc_graft in net/sched/sch_api.c.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-476
Public Exploit ⚠️ Yes
Source NVD
Published 2023-01-17
Updated 2026-06-08
Modified 2025-04-04

Affected Packages

Software From version Fixed in
debian-linux
linux-kernel 6.1.6

References

Exploit, Mailing List, Third Party Advisory https://www.spinics.net/lists/netdev/msg555705.html
Exploit, Mailing List, Third Party Advisory https://www.spinics.net/lists/netdev/msg555705.html

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