PT-2026-72818

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls bpf: prevent unbounded recursion in offload rollback Quan Sun reported 1 a stack overflow in cls bpf offload cmd. Reproducer on netdevsim: add a skip sw cls bpf filter, set the bpf tc accept debugfs knob to 0, then...

Linux Distros Unpatched Vulnerability : CVE-2026-74544

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsu32: validate offshift to prevent shift-out-of-bounds u32change copies the user-provided tcu32sel.offshift unsigned char, 0-255 into the kernel...

PT-2026-72618

In the Linux kernel, the following vulnerability has been resolved: net/sched: act ct: fix nf connlabels leak on two error paths tcf ct fill params calls nf connlabels get setting put labels when TCA CT LABELS is present, but two later error sites use a bare return instead of "goto err", skipping...

Linux Distros Unpatched Vulnerability : CVE-2026-72390

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schteql: Introduce slaveslock to avoid race condition and UAF The teql master-slaves singly linked list is not protected against multiple writes. It...

Linux Distros Unpatched Vulnerability : CVE-2026-72057

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper...

Linux Distros Unpatched Vulnerability : CVE-2026-74290

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsflow: Dont expose folded kernel pointers The flow classifier falls back to addrfold for fields that are missing from packet headers. In map mode,...

PT-2026-72526

In the Linux kernel, the following vulnerability has been resolved: net/sched: act pedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flow rule buffer and filling it. [email protected] reports: The cls flower...

The vulnerability in the `net/sched/sch_qfq.c` component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the net/sched/schqfq.c component in the Linux operating system is related to improper control over resources throughout its lifecycle. Exploiting this vulnerability can allow an attacker to cause service failures...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. 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...

kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle

A flaw was found in the Linux kernel's networking scheduler. A race condition, which is a problem that occurs when multiple operations try to access the same resource at the same time, exists when network filter operations are run concurrently. This can lead to a Use-After-Free UAF vulnerability,...

kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle

A flaw was found in the Linux kernel's networking scheduler. A race condition, which is a problem that occurs when multiple operations try to access the same resource at the same time, exists when network filter operations are run concurrently. This can lead to a Use-After-Free UAF vulnerability,...

kernel security, bug fix, and enhancement update

5.14.0-687.39.1 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

RHEL 9 : kernel (RHSA-2026:54482)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:54482 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actapi: use RCU with deferr...

CVE-2026-68441

A flaw was found in the Linux kernel's networking scheduler net/sched. When a Traffic Control TC filter, configured with an eBPF program or actbpf action, attempts to redirect a packet, the redirection is silently ignored. This causes the packet to be processed normally instead of being redirecte...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update 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 for...

kernel: net/sched: act_api: use RCU with deferred freeing for action lifecycle

A flaw was found in the Linux kernel's networking scheduler. A race condition, which is a problem that occurs when multiple operations try to access the same resource at the same time, exists when network filter operations are run concurrently. This can lead to a Use-After-Free UAF vulnerability,...

CVE-2026-68441

In the Linux kernel, the following vulnerability has been resolved: net/sched: Handle TCACTREDIRECT from qdisc filter chains When a TC filter attached to a qdisc filter chain returns TCACTREDIRECT ex: via an eBPF program calling bpfredirect or an actbpf action, the redirect was silently lost i.e ...

CVE-2026-68441

In the Linux kernel, the following vulnerability has been resolved: net/sched: Handle TCACTREDIRECT from qdisc filter chains When a TC filter attached to a qdisc filter chain returns TCACTREDIRECT ex: via an eBPF program calling bpfredirect or an actbpf action, the redirect was silently lost i.e ...

EUVD-2026-57049

In the Linux kernel, the following vulnerability has been resolved: net/sched: Handle TCACTREDIRECT from qdisc filter chains When a TC filter attached to a qdisc filter chain returns TCACTREDIRECT ex: via an eBPF program calling bpfredirect or an actbpf action, the redirect was silently lost i.e ...

CVE-2026-68441 net/sched: Handle TC_ACT_REDIRECT from qdisc filter chains

In the Linux kernel, the following vulnerability has been resolved: net/sched: Handle TCACTREDIRECT from qdisc filter chains When a TC filter attached to a qdisc filter chain returns TCACTREDIRECT ex: via an eBPF program calling bpfredirect or an actbpf action, the redirect was silently lost i.e ...