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...

CVE-2025-68200

CVE-2025-68200 is a Linux kernel vulnerability addressed by introducing bpf_prog_run_data_pointers() to save/restore net_sched storage that collides with BPF data_meta/data_end. The issue stemmed from cls_bpf_classify() potentially modifying tc_skb_cb(skb)->drop_reason, triggering a warning in...

SUSE CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

CVE-2025-40279

In the Linux kernel, the following vulnerability has been resolved: net: sched: actconnmark: initialize struct tcife to fix kernel leak In tcfconnmarkdump, the variable 'opt' was partially initialized using a designatied initializer. While the padding bytes are reamined uninitialized. nlaput copi...

CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

UBUNTU-CVE-2025-40279

In the Linux kernel, the following vulnerability has been resolved: net: sched: actconnmark: initialize struct tcife to fix kernel leak In tcfconnmarkdump, the variable 'opt' was partially initialized using a designatied initializer. While the padding bytes are reamined uninitialized. nlaput copi...

UBUNTU-CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...

CVE-2025-40278

In the Linux kernel, the following vulnerability has been resolved: net: sched: actife: initialize struct tcife to fix KMSAN kernel-infoleak Fix a KMSAN kernel-infoleak detected by the syzbot . net? KMSAN: kernel-infoleak in skbdatagramiter In tcfifedump, the variable 'opt' was partially...