CVE-2026-63988

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brportstore always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its...

EUVD-2026-45561

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in sysfs path Since the start of the git history, brportstore always acquired the bridge lock. Back then this decision made sense: The bridge lock protects the STP state of the bridge and its...

Oracle Linux 9 : kernel (ELSA-2026-38491)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-38491 advisory. - futex/requeue: Revert 'Prevent NULL pointer dereference in removewaiter on self-deadlock'' Phil Auld RHEL-193245 CVE-2026-53166 - locking/rtmutex:...

RockyLinux 8 : kernel-rt (RLSA-2026:39180)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39180 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

RockyLinux 8 : kernel (RLSA-2026:39179)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:39179 advisory. kernel: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 th...

RLSA-2026:38491 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling CVE-2026-22979 kernel: rtmutex: Use waiter::task instead of current in removewaiter CVE-2026-43499 kernel: net...

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

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. 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...

ALSA-2026:39180 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: net: bridge: use a stable FDB dst snapshot in RCU readers CVE-2026-46086 kernel: xfrm: defensively unhash xfrmstate lists in...

AlmaLinux 9 : kernel (ALSA-2026:38491)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:38491 advisory. kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling CVE-2026-22979 kernel: rtmutex: Use waiter::task instead of current ...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling CVE-2026-22979 kernel: rtmutex: Use waiter::task instead of current in removewaiter CVE-2026-43499 kernel: net...

ALSA-2026:38491 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Linux kernel: Memory leak in networking due to incorrect GRO packet handling CVE-2026-22979 kernel: rtmutex: Use waiter::task instead of current in removewaiter CVE-2026-43499 kernel: net...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit CVE-2026-23449 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Linux...

SUSE CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086 net: bridge: use a stable FDB dst snapshot in RCU readers

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

CVE-2026-46086

The CVE-2026-46086 issue affects the Linux kernel’s bridge FDB code. Local FDB entries could be rewritten in place by fdb_delete_local(), changing f->dst to another port or NULL while entries remain alive. Several bridge RCU readers (e.g., br_fdb_fillbuf() via brforward_read()) may observe f-&...

CVE-2026-46086

In the Linux kernel, the following vulnerability has been resolved: net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or to NULL while keeping the entry alive. Several bridge RCU readers...

Linux Distros Unpatched Vulnerability : CVE-2026-46086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: use a stable FDB dst snapshot in RCU readers Local FDB entries can be rewritten in place by fdbdeletelocal, which updates f-dst to another port or ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bridge: Protection against NULL vlan groups was added in the bridge function for local VLAN-0 FDB helpers. When the CONFIGBRIDGEVLANFILTERING configuration option is not set, the brvlangroup and nbpvlangroup functions return...