The vulnerability of the tcf_ct_handle_fragments() function in the net/sched/act_ct.c module of the net/sched/networking subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tcfcthandlefragments function in the net/sched/actct.c module of the net/sched/networking subsystem of the Linux operating system is related to insufficient checking of exceptional states. Exploiting this vulnerability could allow an attacker to compromise the...

PT-2025-22889

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a NULL pointer dereference in the Linux kernel's net sched component. When reducing a qdisc's limit via the -change operation, only the main skb queue was trimmed,...

DEBIAN-CVE-2025-37823

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a potential UAF in hfscdequeue too Similarly to the previous patch, we need to safe guard hfscdequeue too. But for this one, we don't have a reliable reproducer...

DEBIAN-CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...

UBUNTU-CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...

SUSE CVE-2025-37752

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on how the other parameters are changed. Move the check at the end of the...

UBUNTU-CVE-2022-49921

In the Linux kernel, the following vulnerability has been resolved: net: sched: Fix use after free in redenqueue We can't use "skb" again after passing it to qdiscenqueue. This is basically identical to commit 2f09707d0c97 "schsfb: Also store skb len before calling child enqueue"...

DEBIAN-CVE-2025-37752

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on how the other parameters are changed. Move the check at the end of the...

PT-2025-22177

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the net sched component, specifically the drr class with netem as a child qdisc. The issue arises when the parent qdisc'...

SUSE CVE-2025-38637

In the Linux kernel, the following vulnerability has been resolved: netsched: skbprio: Remove overly strict queue assertions In the current implementation, skbprio enqueue/dequeue contains an assertion that fails under certain conditions when SKBPRIO is used as a child qdisc under TBF with specif...

UBUNTU-CVE-2025-38637

In the Linux kernel, the following vulnerability has been resolved: netsched: skbprio: Remove overly strict queue assertions In the current implementation, skbprio enqueue/dequeue contains an assertion that fails under certain conditions when SKBPRIO is used as a child qdisc under TBF with specif...

SUSE CVE-2025-21971

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent creation of classes with TCHROOT The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing up the qdisc tree to update parent backlog counters. However, if a class is created wi...

DEBIAN-CVE-2025-21971

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent creation of classes with TCHROOT The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing up the qdisc tree to update parent backlog counters. However, if a class is created wi...

CVE-2025-21971

In the Linux kernel, the following vulnerability has been resolved: netsched: Prevent creation of classes with TCHROOT The function qdisctreereducebacklog uses TCHROOT as a termination condition when traversing up the qdisc tree to update parent backlog counters. However, if a class is created wi...

UBUNTU-CVE-2023-53021

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: fix possible use-after-free syzbot reported a nasty crash 1 in nettxaction which made little sense until we got a repro. This repro installs a taprio qdisc, but providing an invalid TCARATE attribute...

net: sched: fix ets qdisc OOB Indexing

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net/sched: netem: account for backlog updates from child qdisc

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Linux Distros Unpatched Vulnerability : CVE-2024-56770

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdis...

DEBIAN-CVE-2024-57996

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: don't allow 1 packet limit The current implementation does not work correctly with a limit of 1. iproute2 actually checks for this and this patch adds the check in kernel as well. This fixes the following...

Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005559 fixes several issues. The following security issues were fixed: CVE-2024-35789: wifi: mac80211: check/clear fast rx for non-4addr sta VLAN changes bsc1227320. CVE-2024-40956: dmaengine: idxd: Fix possible Use-After-Free in irqprocessworklist...