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 …

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No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

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.

Source published

17 Jan 2023 00:00:00 UTC

Source modified

14 Oct 2026 18:39:44 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

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