RHEL 8 : kernel (RHSA-2026:91493)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:91493 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: bridge: use a stable FDB...

CVE-2026-99117

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: don't truncate the port group walk on teardown brmulticastdisableportctx and brmulticastdelport walk port-mglist with hlistforeachentrysafe. However, brmulticastfinddelpg can also delete other entries from the...

CVE-2026-99117 net: bridge: mcast: don't truncate the port group walk on teardown

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: don't truncate the port group walk on teardown brmulticastdisableportctx and brmulticastdelport walk port-mglist with hlistforeachentrysafe. However, brmulticastfinddelpg can also delete other entries from the...

CVE-2026-99117 net: bridge: mcast: don't truncate the port group walk on teardown

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: don't truncate the port group walk on teardown brmulticastdisableportctx and brmulticastdelport walk port-mglist with hlistforeachentrysafe. However, brmulticastfinddelpg can also delete other entries from the...

CVE-2026-99117

A flaw in the Linux kernel's network bridge multicast subsystem allows a use-after-free condition. During network bridge port removal, the cleanup process in __br_multicast_disable_port_ctx() and br_multicast_del_port() can terminate early if an entry is deleted by br_multicast_find_del_pg(), lea...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerabilit...

Linux Distros Unpatched Vulnerability : CVE-2026-99117

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: mcast: don't truncate the port group walk on teardown brmulticastdisableportctx and brmulticastdelport walk port-mglist with hlistforeachentrysafe...

Linux Distros Unpatched Vulnerability : CVE-2026-98881

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: remove stale rcubarrier in brmulticastdevdel This rcubarrier came from a time callrcu calls were used in net/bridge/brmulticast.c. Now kfreercu is...

CentOS Linux 8.5 [TuxCare] Security Update: bpftool / kernel / kernel-core / kernel-cross-headers / etc Multiple Vulnerabilities (CENTOS8.5:CLSA-2026:1792979985)

The CentOS Linux 8.5 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS8.5:CLSA-2026:1792979985 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix vlan tunnel dst refcnt when egressing The...

SUSE CVE-2026-98881

In the Linux kernel, the following vulnerability has been resolved: net: bridge: remove stale rcubarrier in brmulticastdevdel This rcubarrier came from a time callrcu calls were used in net/bridge/brmulticast.c. Now kfreercu is there, we can remove this problematic rcubarrier which causes extreme...

SUSE CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

DEBIAN-CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

UBUNTU-CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031 net: bridge: avoid recursive multicast port cleanup

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031 net: bridge: avoid recursive multicast port cleanup

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031

The Linux kernel contains a vulnerability in the net: bridge component where the function br_multicast_sg_del_exclude_ports() performs a recursive call to br_multicast_del_pg(). For S,G entries , this recursion causes each STAR_EXCL port to consume one kernel stack frame. A large number of these ...

EUVD-2026-108826

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...

CVE-2026-99031

In the Linux kernel, the following vulnerability has been resolved: net: bridge: avoid recursive multicast port cleanup brmulticastsgdelexcludeports removes automatically added STAREXCL port groups by calling brmulticastdelpg. For S,G entries, that deletion calls back into...