yersinia

生成树 1: 发送配置BPDU的DoS攻击 root@kitploit: 让我们发送一些配置BPDU，声称自己是根！！！通过持续发送根路径开销为0、桥ID随机生成（因此根ID相同）以及其余字段使用默认值的配置BPDU，我们试图干扰附近的交换机，导致其STP引擎在解析和重新计算时发生DoS。 源MAC：随机生成。 目的MAC：01:80:c2:00:00:00 桥ID：8000:sourcemac 根ID：8000:sourcemac Hello时间：2 转发延迟：15 最大老化时间：20 根路径开销：0 01:20:26: STP: VLAN0001 heard root...

yersinia

Spanning Tree 1: DOS attack sending conf BPDUs root@kitploit: Let's send some conf BPDUs claiming be root!!! By sending continously conf BPDU with root pathcost 0, randomly generated bridge id and therefore the same root id, and some default values for other fields, we try to annoy the switches...

SUSE-SU-2026:4190-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 11 SP4 kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2026-46116: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete bsc1267369. - CVE-2026-52955: libceph: Fix potential out-of-bounds access in crushdecode...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bridge: stp – Fixed a potential use-after-free when deleting a bridge. The three STP timers should not be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put administratively...

CVE-2026-72389

A flaw was found in the Linux kernel's bridge Spanning Tree Protocol STP module. A missing check in the brtopologychangedetection function allows a topology change timer to be armed while a bridge is administratively down. This can be exploited by an attacker to trigger a use-after-free...

SUSE CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

UBUNTU-CVE-2026-72389

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

CVE-2026-72389 bridge: stp: Fix a potential use-after-free when deleting a bridge

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

CVE-2026-72389

The vulnerability CVE-2026-72389 affects the Linux kernel’s bridge STP implementation. The root cause is a missing IFF_UP check in br_topology_change_detection(), which could allow arming the topology change timer while a bridge is administratively down, potentially causing a use-after-free when ...

EUVD-2026-59288

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

PT-2026-72577

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the bridge STP Spanning Tree Protocol implementation. The br topology change detection function fails to check for the IFF UP flag, which can allow the...

CVE-2026-72389: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down. They are synchronously deactivated when the bridge is put...

Linux Distros Unpatched Vulnerability : CVE-2026-72389

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bridge: stp: Fix a potential use-after-free when deleting a bridge The three STP timers are not supposed to be armed while the bridge is administratively down...

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...

CVE-2026-63989

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

CVE-2026-63989 bridge: Fix sleep in atomic context in netlink path

In the Linux kernel, the following vulnerability has been resolved: bridge: Fix sleep in atomic context in netlink path Since the introduction of the netlink configuration path for bridge ports in commit 25c71c75ac87 "bridge: bridge port parameters over netlink", brsetport was always called with...

CVE-2026-63988 bridge: Fix sleep in atomic context in sysfs path

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...

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...