Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: switchdev: Converting the blocking notification chain to a raw one A blocking notification chain uses a read-write semaphore to protect the integrity of the chain. The semaphore is acquired for writing when adding/removing...

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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from RTNL assertion warnings in the txgbe driver, potentially leading to system crashes...

PT-2026-44288

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A self-deadlock occurs in the openvswitch vport during the release of tunnel ports. Vports are protected by RCU Read-Copy-Update, a synchronization mechanism that allows multiple readers...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Executing the ndosetrxmode callback within a work queue Commit 1767bb2d47b7 “ipv6: mcast: Do not hold RTNL for IPV6ADDMEMBERSHIP and MCASTJOINGROUP” removed the RTNL lock for these operations. However, this change...

CVE-2026-43382

A flaw was found in the batman-adv module of the Linux kernel. This vulnerability occurs when the batadvvelpgetthroughput function attempts to acquire a network lock RTNL lock that is already held, particularly during the cancellation of a work queue item. This can lead to a deadlock, causing a...

CVE-2026-31579

In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exitrtnl callback instead of manual rtnllock in preexit wgnetnspreexit manually acquires rtnllock inside the pernet .preexit callback. This causes a hung task when another thread holds rtnlmutex - the...

PT-2026-34931

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in the WireGuard component occurs because the wg netns pre exit function manually acquires rtnl lock within the .pre exit callback. This can lead to a hung task if another thread...

PT-2026-8211

In the Linux kernel, the following vulnerability has been resolved: net: cpsw new: Execute ndo set rx mode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6 ADD MEMBERSHIP and MCAST JOIN GROUP." removed the RTNL lock for IPV6 ADD MEMBERSHIP and MCAST JOIN GROUP...

PT-2026-8183

In the Linux kernel, the following vulnerability has been resolved: net: cpsw: Execute ndo set rx mode callback in a work queue Commit 1767bb2d47b7 "ipv6: mcast: Don't hold RTNL for IPV6 ADD MEMBERSHIP and MCAST JOIN GROUP." removed the RTNL lock for IPV6 ADD MEMBERSHIP and MCAST JOIN GROUP...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990594)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990594 advisory. In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip6mrfreetable on failure path ip6mrfreetable can only be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fixed the recursive rtnllock call during the probe function. The deadlock occurs in a stack trace similar to this: virtnetprobe rtnllock virtioconfigChangedWork netdevNotifyPeers rtnllock This issue occurs when the VM...

OESA-2025-2536 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: net: ravb: Fix missing rtnl lock in suspend/resume path Fix the suspend/resume path by ensuring the rtnl lock is held where required. Calls to ravbopen, ravbclos...

EUVD-2022-55656

In the Linux kernel, the following vulnerability has been resolved: ASoC: audio-graph-card: fix refcount leak of cpuep in graphforeachlink The ofgetnextchild returns a node with refcount incremented, and decrements the refcount of prev. So in the error path of the while loop, ofnodeput needs be...

CVE-2023-53632

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take RTNL lock when needed before calling xdpsetfeatures Hold RTNL lock when calling xdpsetfeatures with a registered netdev, as the call triggers the netdev notifiers. This could happen when switching from uplink rep ...

UBUNTU-CVE-2023-53632

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take RTNL lock when needed before calling xdpsetfeatures Hold RTNL lock when calling xdpsetfeatures with a registered netdev, as the call triggers the netdev notifiers. This could happen when switching from uplink rep ...

CVE-2023-53632 net/mlx5e: Take RTNL lock when needed before calling xdp_set_features()

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take RTNL lock when needed before calling xdpsetfeatures Hold RTNL lock when calling xdpsetfeatures with a registered netdev, as the call triggers the netdev notifiers. This could happen when switching from uplink rep ...

CVE-2023-53632

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take RTNL lock when needed before calling xdpsetfeatures Hold RTNL lock when calling xdpsetfeatures with a registered netdev, as the call triggers the netdev notifiers. This could happen when switching from uplink rep ...

CVE-2022-50498

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...

CVE-2022-50498 eth: alx: take rtnl_lock on resume

In the Linux kernel, the following vulnerability has been resolved: eth: alx: take rtnllock on resume Zbynek reports that alx trips an rtnl assertion on resume: RTNL: assertion failed at net/core/dev.c 2891 RIP: 0010:netifsetrealnumtxqueues+0x1ac/0x1c0 Call Trace: alxopen+0x230/0x570 alx...