kernel: Linux kernel:A use-after-free in bridge multicast in br_multicast_port_ctx_init

A flaw was found in the Linux kernel's bridge multicast functionality. A local user could trigger a use-after-free vulnerability, a type of memory corruption, by improperly configuring network bridge router ports. This issue arises because the system fails to correctly remove ports from its...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: pagepool: Fix use-after-free in pagepoolrecycleinring CVE-2025-38129 kernel: Linux kernel:A use-after-free in bridge multicast in brmulticastportctxinit CVE-2025-38248 kernel: smc: Fix...

Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: pagepool: Fix use-after-free in pagepoolrecycleinring CVE-2025-38129 kernel: Linux kernel:A use-after-free in bridge multicast in...

RHEL 8 : kernel-rt (RHSA-2026:3110)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:3110 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

ALSA-2026:3083 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: pagepool: Fix use-after-free in pagepoolrecycleinring CVE-2025-38129 kernel: Linux kernel:A use-after-free in bridge multicast in brmulticastportctxinit CVE-2025-38248 kernel: smc: Fix...

ALSA-2026:3110 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: pagepool: Fix use-after-free in pagepoolrecycleinring CVE-2025-38129 kernel: Linux kernel:A use-after-free in bridge multicast in...

Juniper Junos OS Vulnerability (JSA100087)

The version of Junos OS installed on the remote host is affected by a vulnerability as referenced in the JSA100087 advisory. - An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon flowd of Juniper Networks Junos OS on SRX4600 and SRX5000 Series allow...

SUSE CVE-2026-23175

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

SUSE CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

Siemens SIMATIC S7-1500 Improper Locking (CVE-2025-39773)

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix soft lockup in brmulticastqueryexpired When set multicastqueryinterval to a large value, the local variable 'time' in brmulticastsendquery may overflow. If the time is smaller than jiffies, the timer will expire...

CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

UBUNTU-CVE-2026-23175

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

UBUNTU-CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23203

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23203 net: cpsw_new: Execute ndo_set_rx_mode callback in a work queue

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

EUVD-2026-5843

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

CVE-2026-23175 net: cpsw: Execute ndo_set_rx_mode callback in a work queue

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP." removed the RTNL lock for IPV6ADDMEMBERSHIP and MCASTJOINGROUP operations...

Linux Distros Unpatched Vulnerability : CVE-2026-23175

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: cpsw: Execute ndosetrxmode callback in a work queue Commit 1767bb2d47b7 ipv6: mcast: Don't hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP. removed the...

PT-2026-43780

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the bridge multicast component where the mdb n entries count for VLAN contexts is updated conditionally. This can lead to a state where a decrease operation is perform...

SUSE SLES12: avahi / avahi-compat-howl-devel / avahi-compat-mDNSResponder-devel / etc (SUSE-SU-2026:0422-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0422-1 advisory. - CVE-2025-68276: avahi: reachable assertion in avahiwideareascancache can lead to crash of avahi- daemon bsc1256498. - CVE-2025-68468: avahi:...