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-2026-8183

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...

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...

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...

PT-2025-40732

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where the alx driver does not hold the rtnl lock during its internal close and re-open functions during suspend/resume operations. This can lead to an...