CVE-2026-53011

A flaw was found in the Linux kernel's networking scheduler, specifically within the taprio module. When the system attempts to switch schedules, a use-after-free vulnerability occurs in the advancesched function. This happens because a pointer to an old schedule entry is still used after the...

Linux Distros Unpatched Vulnerability : CVE-2026-53011

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 use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to...

EUVD-2026-38879

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to promote the admin schedule to oper. switchschedules queues the old op...

CVE-2026-53011

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to promote the admin schedule to oper. switchschedules queues the old op...

CVE-2026-53011

The CVE-2026-53011 issue affects the Linux kernel net/sched taprio code. In advance_sched(), when should_change_schedules() is true, switch_schedules() promotes the admin schedule to oper and queues the old oper for RCU freeing, but next may still point into the old oper. The subsequent end_time ...

CVE-2026-53011 net/sched: taprio: fix use-after-free in advance_sched() on schedule switch

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to promote the admin schedule to oper. switchschedules queues the old op...

CVE-2026-53011 net/sched: taprio: fix use-after-free in advance_sched() on schedule switch

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to promote the admin schedule to oper. switchschedules queues the old op...

PT-2026-51905

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the advance sched function within the taprio component. When should change schedules returns true, the switch schedules function is called to promote the...

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...

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...

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 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...

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...

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

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...

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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the net/sched/taprio module failing to perform null pointer checks on deleted sub-qdisc objects...

CVE-2026-45845

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