CVE-2026-98427

A flaw was found in the Linux kernel's CoDel Controlled Delay network packet scheduling subsystem. An unprivileged local user can trigger a Denial of Service DoS by configuring extremely small packet intervals on network queues. This flaw causes the packet-dropping logic to enter an unbounded loo...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: cfg80211: Values of NL80211ATTRTXQQUANTUM are restricted. syzbot can trigger soft lockups by setting NL80211ATTRTXQQUANTUM to 2^31. We had a similar issue in schfq, which was fixed in the commit d9e15a273306 „pktsched: f...

CVE-2026-98012

A flaw was found in the Linux kernel's Stochastic Fairness Queueing SFQ network packet scheduling subsystem. A local attacker with network administration privileges, including within an unprivileged user namespace, can supply an improperly bounded quantum parameter alongside a crafted packet size...

Linux Distros Unpatched Vulnerability : CVE-2026-74266

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen...

CVE-2026-72036

A flaw was found in the Linux kernel's schmultiq component, which handles network packet scheduling. This vulnerability occurs when a non-work-conserving child queue is improperly handled after a packet has been temporarily stored. This can lead to a desynchronization of network packet queues and...

CVE-2026-74266

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

UBUNTU-CVE-2026-74266

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

CVE-2026-74266 net/sched: sch_dualpi2: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen

In the Linux kernel, the following vulnerability has been resolved: net/sched: schdualpi2: Do not call qdisctreereducebacklog during peek before restoring qlen Whenever dualpi2 drops packets during peek, it calls qdisctreereducebacklog. An issue arises because it calls qdisctreereducebacklog befo...

PT-2026-72703

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the sch codel component of the network scheduler. When dropping packets during a peek operation, the system calls the qdisc tree reduce backlog function before restori...

SUSE-SU-2026:1281-1 Security update for the Linux Kernel (Live Patch 42 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.170 fixes various security issues The following security issues were fixed: - CVE-2025-39973: i40e: add validation for ringlen param bsc1252036. - CVE-2025-40018: ipvs: Defer ipvsftp unregister during netns cleanup bsc1252689. -...

SUSE-SU-2025:20382-1 Security update for kernel-livepatch-MICRO-6-0-RT_Update_4

This update for kernel-livepatch-MICRO-6-0-RTUpdate4 fixes the following issues: - CVE-2025-21680: pktgen: avoid out-of-bounds access in getimixentries bsc1236701 - CVE-2024-58013: Bluetooth: MGMT: Fix slab-use-after-free Read in mgmtremoveadvmonitorsync bsc1239096 - CVE-2024-57996: netsched:...

DEBIAN-CVE-2024-42114

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: restrict NL80211ATTRTXQQUANTUM values syzbot is able to trigger softlockups, setting NL80211ATTRTXQQUANTUM to 2^31. We had a similar issue in schfq, fixed with commit d9e15a273306 "pktsched: fq: do not accept sill...

PT-2025-43611

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to network packet scheduling with the class identifier cls u32. Specifically, if the u32 replace hw knode function fails, the associated tcf bin...

USN-6071-1 linux-oem-5.17 vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-6071-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-6045-1: Linux kernel vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

Linux kernel sch_atm Heap Buffer Overflow DoS

The vulnerability of the atmtcenqueue function in the network packet scheduling subsystem net/sched/schatm.c of the Linux kernel is related to an incorrect definition of the class type. Exploiting this vulnerability could allow an attacker to cause service failures...

USN-5793-3: Linux kernel vulnerabilities

It was discovered that the iouring subsystem in the Linux kernel did not properly perform reference counting in some situations, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-3910 ...

USN-5791-3 linux-azure-5.4, linux-azure-fde vulnerabilities

It was discovered that a race condition existed in the Android Binder IPC subsystem in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-20421 David Leadbeater...

USN-5792-2: Linux kernel vulnerabilities

Mingwei Zhang discovered that the KVM implementation for AMD processors in the Linux kernel did not properly handle cache coherency with Secure Encrypted Virtualization SEV. A local attacker could possibly use this to cause a denial of service host system crash. CVE-2022-0171 It was discovered th...