MiracleLinux 7 : kernel-3.10.0-1160.105.1.el7 (AXSA:2023-6584:29)

The remote MiracleLinux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6584:29 advisory. kernel: net/sched: schqfq component can be exploited if in qfqchangeagg function happens qfqenqueue overhead CVE-2023-3611 kernel: net/sched: clsfw...

MiracleLinux 9 : kernel-5.14.0-362.8.1.el9_3 (AXSA:2023-7038:31)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-7038:31 advisory. kernel: net/sched: clsu32 component reference counter leak if tcfchangeindev fails CVE-2023-3609 kernel: net/sched: Use-after-free vulnerabilities i...

kernel: net_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too

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...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change

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CVE-2025-71066 net/sched: ets: Always remove class from active list before deleting in ets_qdisc_change

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...

CVE-2025-68815

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Remove drr class from the active list if it changes to strict Whenever a user issues an ets qdisc change command, transforming a drr class into a strict one, the ets code isn't checking whether that class was in t...

PT-2026-4661

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking scheduler, specifically within the sch qfq Stochastic Fairness Queueing component. The qfq change class function contains an error that can...

PT-2026-4487

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s networking scheduler related to traffic control and action API handling. Specifically, the issue involves a potential invalid memory dereference withi...

PT-2026-26130

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The Linux kernel contains an issue related to network packet scheduling. Specifically, the act ct action was found to potentially cause a Use-After-Free UAF condition when interacting wi...

PT-2026-26582

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's networking subsystem related to the TEQL Traffic EQuation Language scheduler. Specifically, a NULL pointer dereference can occur within the iptunnel...

Linux Distros Unpatched Vulnerability : CVE-2023-54193

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993277)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993277 advisory. 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 t...

EUVD-2023-60435

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: fix filter idr initialization The cited commit moved idr initialization too early in flchange which allows concurrent users to access the filter that is still being initialized and is in inconsistent state,...

CVE-2023-54193

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

PT-2025-54022

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw in the net/sched subsystem related to the handling of traffic control blocks. Specifically, the error handler in tcf block bind frees the cb list without...

SUSE CVE-2025-68325

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fix incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue t...

CVE-2025-68325 net/sched: sch_cake: Fix incorrect qlen reduction in cake_drop

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fix incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue t...

UBUNTU-CVE-2025-68200

In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpfprogrundatapointers syzbot found that clsbpfclassify is able to change tcskbcbskb-dropreason triggering a warning in skskbreasondrop. WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 skskbreasondrop...

CVE-2025-68200

In the Linux kernel, the following vulnerability has been resolved: bpf: Add bpfprogrundatapointers syzbot found that clsbpfclassify is able to change tcskbcbskb-dropreason triggering a warning in skskbreasondrop. WARNING: CPU: 0 PID: 5965 at net/core/skbuff.c:1192 skskbreasondrop...