CVE-2026-22976

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: Fix NULL deref when deactivating inactive aggregate in qfqreset qfqclass-leafqdisc-q.qlen 0 does not imply that the class itself is active. Two qfqclass objects may point to the same leafqdisc. This happens whe...

SUSE CVE-2025-71066

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange [email protected] says: The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. It leads to UAF on stru...

Security update for the Linux Kernel (Live Patch 51 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059185 fixes several issues. The following security issues were fixed: CVE-2024-53168: sunrpc: fix one UAF issue caused by sunrpc kernel tcp socket bsc1243650. CVE-2025-38477: net/sched: schqfq: Fix race condition on qfqaggregate bsc1247315...

SUSE-SU-2025:20819-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: - CVE-2024-50154: tcp/dccp: Don't use timerpending in reqskqueueunlink bsc1233072 - CVE-2025-21692: net: sched: fix ets qdisc OOB Indexing bsc1237048 - CVE-2025-21791: vrf: use RCU protection in l3mdevl3out bsc124074...

kernel: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc

A use-after-free vulnerability has been identified in the Linux kernel's HFSC Hierarchical Fair Service Curve queuing discipline when it is configured with NETEM Network Emulation as a child. This flaw can lead to a kernel panic or crash due to incorrect assumptions about the queue state...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

CVE-2022-50356

In the Linux kernel, the following vulnerability has been resolved: net: sched: sfb: fix null pointer access issue when sfbinit fails When the default qdisc is sfb, if the qdisc of devqueue fails to be inited during mqprioinit, sfbreset is invoked to clear resources. In this case, the q-qdisc is...

EulerOS 2.0 SP9 : kernel (EulerOS-SA-2025-2129)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : net: sched: Disallow replacing of child qdisc from one parent to anotherCVE-2025-21700 loop: Check for overflow while configuring loopCVE-2022-499...

net/sched: sch_qfq: Fix race condition on qfq_aggregate

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kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

kernel: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue()

A flaw was found in the HFSC queueing discipline implementation in the Linux kernel. When a packet is enqueued and the child qdisc's peek function is called before properly updating the HFSC queue's length and backlog counters, a race condition can occur. In some cases, the peek operation may...

CVE-2025-38553

Removed by vendor...

Linux Distros Unpatched Vulnerability : CVE-2025-38457

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: Abort tcmodifyqdisc if parent class does not exist Lion's patch 1 revealed an ancient bug in the qdisc API. Whenever a user creates/modifies a qdisc...

DEBIAN-CVE-2025-38350

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue operation. This may unexpectedly empty the child qdisc and thus make an in-flight...

SUSE CVE-2022-49958

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix netdevice reference leaks in attachdefaultqdiscs In attachdefaultqdiscs, if a dev has multiple queues and queue 0 fails to attach qdisc because there is no memory in attachonedefaultqdisc. Then dev-qdisc will be...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: CVE-2024-49855: nbd: fix race between timeout and normal completion bsc1232900 CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free...

DEBIAN-CVE-2025-37953

In the Linux kernel, the following vulnerability has been resolved: schhtb: make htbdeactivate idempotent Alan reported a NULL pointer dereference in htbnextrbnode after we made htbqlennotify idempotent. It turns out in the following case it introduced some regression: htbdequeuetree: |-...