Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Networks: Bridges – Fix for use-after-free due to bypassing the port’s state during MST processing. 1 Syzkaller.appspot.com reported a use-after-free issue when deleting an expired fdb. This issue arises due to a race condition...

CVE-2026-68301 net: hsr: fix memory leak on slave unregistration by removing synced VLANs

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

Updated lxc packages fix security vulnerability

CVE-2026-39402, lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion...

MGASA-2026-0172 Updated lxc packages fix security vulnerability

CVE-2026-39402, lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion

lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...

CVE-2026-39402

Summary: CVE-2026-39402 affects the LXC user network helper (lxc-user-nic) in multi-tenant setups using Open vSwitch bridges. The delete path in the setuid helper contains a logic flaw in find_line() that can authorize deletion based on a name match even when ownership/type/link fields belong to ...

SUSE CVE-2025-40297

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

CVE-2025-40297

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

CVE-2025-40297

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

CVE-2025-40297 net: bridge: fix use-after-free due to MST port state bypass

In the Linux kernel, the following vulnerability has been resolved: net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition between learning still happening and a port being deleted, after all its...

Linux Distros Unpatched Vulnerability : CVE-2025-40297

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: fix use-after-free due to MST port state bypass syzbot reported1 a use-after-free when deleting an expired fdb. It is due to a race condition betwe...

UBUNTU-CVE-2025-38248

In the Linux kernel, the following vulnerability has been resolved: bridge: mcast: Fix use-after-free during router port configuration The bridge maintains a global list of ports behind which a multicast router resides. The list is consulted during forwarding to ensure multicast packets are...

The vulnerability of the lpfc component in the Linux operating system’s kernel allows a hacker to gain elevated privileges within the system.

The vulnerability of the lpfc component in the Linux operating system’s kernel is related to concurrent resource access race condition in the lpfcvportdelete function. Exploiting this vulnerability can allow an attacker to gain elevated privileges within the system...

scsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()

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kernel: scsi: qla2xxx: Fix scheduling while atomic

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call into midlayer fcremoteportdelete which can put the thread to sleep. The thread that originates the call is in interrupt context. The combination of the two trigge...

kernel: qla2xxx NPIV vport management pseudofiles are world writable

A certain Red Hat configuration step for the qla2xxx driver in the Linux kernel 2.6.18 on Red Hat Enterprise Linux RHEL 5, when NPort ID Virtualization NPIV hardware is used, sets world-writable permissions for the 1 vportcreate and 2 vportdelete files under /sys/class/scsihost/, which allows loc...