net/sched: taprio: fix NULL pointer dereference in class dump

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SUSE CVE-2026-45845

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

CVE-2026-45845

A flaw was found in the Linux kernel's TAPRIO Traffic Policing and Rate Limiting I/O qdisc. An unprivileged local user, with namespace-scoped CAPNETADMIN capabilities, can trigger a kernel null pointer dereference. This occurs by creating a TAPRIO qdisc in a new network namespace, grafting and th...

UBUNTU-CVE-2026-45845

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

CVE-2026-45845

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

CVE-2026-45845 net/sched: taprio: fix NULL pointer dereference in class dump

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

EUVD-2026-32171

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

CVE-2026-45845

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and stores NULL into q-qdiscscl - 1. Subsequent RTMGETTCLASS dump operatio...

CVE-2026-45845

The CVE-2026-45845 issue affects the Linux kernel net/sched taprio code. When deleting a TAPRIO child qdisc via RTM_DELQDISC, taprio_graft() could store NULL in q->qdiscs[] and later RTM_GETTCLASS dump paths could dereference a NULL pointer during taprio_dump_class(), causing a kernel NULL poi...

Linux Distros Unpatched Vulnerability : CVE-2026-45845

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: taprio: fix NULL pointer dereference in class dump When a TAPRIO child qdisc is deleted via RTMDELQDISC, tapriograft is called with new == NULL and...

CVE-2026-45845

net/sched: taprio: fix NULL pointer dereference in class dump...

PT-2026-43679

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the Linux kernel's TAPRIO child qdisc implementation. When a TAPRIO child qdisc is deleted via RTM DELQDISC, the taprio graft function stores a NULL...