Important: Red Hat Security Advisory: OpenShift Container Platform 4.20.27 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.27 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.20. Red Hat Product Security has rated this update as having a...

SUSE-SU-2026:2238-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: x86/CPU: Fix FPDSS on Zen1 bsc1243603. - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. -...

Linux Distros Unpatched Vulnerability : CVE-2026-52997

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: schdualpi2: drain both C-queue and L-queue in dualpi2change Fix dualpi2change to correctly enforce updated limit and memlimit values after a...

Linux Distros Unpatched Vulnerability : CVE-2026-53014

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: actmirred: fix wrong device for macheaderxmit check in tcfblockcastredir In tcfblockcastredir, when iterating block ports to redirect packets to...

Linux Distros Unpatched Vulnerability : CVE-2026-53079

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netsched: fix skb memory leak in deferred qdisc drops When the network stack cleans up the deferred list via qdiscrunend, it operates on the root qdisc. If the...

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

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SUSE SLES15: kernel-livepatch-6_4_0-150600_23_53-default / etc (SUSE-SU-2026:2532-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2532-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.53 fixes various security issues The following security issues were fixed: -...

CVE-2026-53264

In the Linux kernel, the following vulnerability has been resolved: net/sched: actapi: use RCU with deferred freeing for action lifecycle When NEWTFILTER and DELFILTER are run concurrently it is possible to create a race with an associated action. Let's illustrate with CPU0 running NEWTFILTER and...

Linux Distros Unpatched Vulnerability : CVE-2026-53080

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: clsfw: fix NULL dereference of old filters before change Like pointed out by Sashiko 1, since commit ed76f5edccc9 net: sched: protect filterchain lis...

Linux Distros Unpatched Vulnerability : CVE-2026-53011

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to...

CVE-2026-53011 net/sched: taprio: fix use-after-free in advance_sched() on schedule switch

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: fix use-after-free in advancesched on schedule switch In advancesched, when shouldchangeschedules returns true, switchschedules is called to promote the admin schedule to oper. switchschedules queues the old op...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove the class from the active list before deleting it in etsqdiscchange. The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. This causes a Use-After-Freeze UAF error on the...

TencentOS Server 4: kernel (TSSA-2026:0540)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0540 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...

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

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 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...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. 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 each vulnerability from the CVE...

RHEL 10 : kernel (RHSA-2026:27709)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27709 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actpedit: extend the...

RHEL 8 : kernel (RHSA-2026:27704)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27704 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actpedit: extend the writab...

RHEL 9 : kernel (RHSA-2026:27705)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27705 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actpedit: extend the writab...

RHEL 8 : kernel (RHSA-2026:27707)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27707 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: actpedit: extend the writab...

Oracle Linux 8 : kernel (ELSA-2026-27353)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-27353 advisory. - net/sched: fix pedit partial COW leading to page cache corruption Ivan Vecera RHEL-177582 CVE-2026-46331 - net/sched: actpedit: free pedit keys on...