CVE-2022-47929

תיאור (מקור, אנגלית)

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.

מדדים

CVSS 3.1

5.5 (MEDIUM) מקור הציון: NVD CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — סבירות ניצול

1% (אחוזון 100) נכון ל-19/10/2026

CWE

CWE-476

מוצרים מושפעים

linux: linux kernel; debian: debian linux

קישורים

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