5.5

CVE-2022-47929

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1.6
Debian ≫ Debian Linux Version 11.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.96% 0.57
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA-ADP 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
https://www.debian.org/security/2023/dsa-5324
Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.6
Patch
Vendor Advisory
Mailing List
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=96398560f26aa07e8f2969d73c8197e6a6d10407
Patch
Vendor Advisory
https://tldp.org/HOWTO/Traffic-Control-HOWTO/components.html
Third Party Advisory
https://www.spinics.net/lists/netdev/msg555705.html
Third Party Advisory
Exploit
Mailing List