EUVD-2026-5436

In the Linux kernel, the following vulnerability has been resolved: net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to prevent possible exploits that employ child qlen manipulations on qfq...

CVE-2026-23088

CVE-2026-23088 affects the Linux kernel tracing subsystem. The issue arises when a synthetic event reuses an existing synthetic event’s stacktrace field, leading to a kernel crash (crash/NULL pointer dereference) when enabling linked synthetic events. The root cause is how the stacktrace field is...

EUVD-2026-5454

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash on synthetic stacktrace field usage When creating a synthetic event based on an existing synthetic event that had a stacktrace field and the new synthetic event used that field a kernel crash occurred: cd...

CVE-2026-23088 tracing: Fix crash on synthetic stacktrace field usage

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash on synthetic stacktrace field usage When creating a synthetic event based on an existing synthetic event that had a stacktrace field and the new synthetic event used that field a kernel crash occurred: cd...

CVE-2026-23088 tracing: Fix crash on synthetic stacktrace field usage

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix crash on synthetic stacktrace field usage When creating a synthetic event based on an existing synthetic event that had a stacktrace field and the new synthetic event used that field a kernel crash occurred: cd...

CVE-2026-23074

In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not important, I will describe the scenario th...

EUVD-2026-5480

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: avoid possible NULL deref tcfifeencode must make sure ifeencode does not return NULL. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 SMP KASAN NOP...

CVE-2026-23064 net/sched: act_ife: avoid possible NULL deref

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: avoid possible NULL deref tcfifeencode must make sure ifeencode does not return NULL. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 SMP KASAN NOP...

CVE-2026-23064

In the Linux kernel, the following vulnerability has been resolved: net/sched: actife: avoid possible NULL deref tcfifeencode must make sure ifeencode does not return NULL. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 SMP KASAN NOP...

Linux Distros Unpatched Vulnerability : CVE-2026-23105

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: qfq: Use clisactive to determine whether class is active in qfqrmfromag This is more of a preventive patch to make the code more consistent and to...

ROS-20260203-73-0045

A vulnerability in the net/sched/ components of the Linux operating system kernel is related to pointer dereferencing errors. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-22976

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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. T...

RHEL 9 : kernel (RHSA-2026:1617)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:1617 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: mqprio: fix stack...

SUSE-SU-2026:0350-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50282: chardev: fix error handling in cdevdeviceadd bsc1249739. - CVE-2022-50630: mm: hugetlb: fix UAF in hugetlbhandleuserfault bsc1254785. - CVE-2022-50700:...

SUSE CVE-2026-22987

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: avoid dereferencing ERRPTR in tcfidrinfodestroy syzbot reported a crash in tcactinhw during netns teardown where tcfidrinfodestroy passed an ERRPTR-EBUSY value as a tcaction pointer, leading to an invalid...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005091)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005091 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: fix possible infinite loop in tcfidrcheckalloc syzbot found hanging tasks...

SUSE CVE-2026-22999

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...

ROS-20260126-73-0014

A vulnerability in the net/sched/schskbprio.c component of the Linux operating system kernel is related to a flaw in the use of the assert function. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

CVE-2026-22999 net/sched: sch_qfq: do not free existing class in qfq_change_class()

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...

EUVD-2026-4624

In the Linux kernel, the following vulnerability has been resolved: net/sched: schqfq: do not free existing class in qfqchangeclass Fixes qfqchangeclass error case. cl-qdisc and cl should only be freed if a new class and qdisc were allocated, or we risk various UAF...