Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: macsec: Fixed the offload support for the NETDEVUNREGISTER event. The current macsec netdev notify handler handles the NETDEVUNREGISTER event by releasing relevant software resources only. This can lead to resource leaks in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: OpenVSwitch: fixed the issue where locking occurred when trying to unregister a netdev with a carrier. The commit in the “fixes” tag attempted to fix this issue through the following sequence of calls: dooutput → ovsvportsend →...

CVE-2026-72125

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix use-after-free race with concurrent NETDEVUNREGISTER isotprelease looked up the bound network device via devgetbyindex using the stored ifindex. During device unregistration the device is unlisted from the ifindex...

CVE-2026-72115

The CVE-2026-72115 issue affects the Linux kernel CAN BCM RX path. A race between bcm_rx_handler(), hrtimer_cancel(), bcm_rx_starttimer(), and bcm_rx_timeout_handler() could allow an ANYDEV operation (ifindex == 0) to process frames from multiple interfaces, causing spurious RX_TIMEOUT events and...

PT-2026-72314

In the Linux kernel, the following vulnerability has been resolved: can: isotp: fix use-after-free race with concurrent NETDEV UNREGISTER isotp release looked up the bound network device via dev get by index using the stored ifindex. During device unregistration the device is unlisted from the...

SUSE-SU-2026:22904-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2026-31503: udp: Fix wildcard bind...

SUSE-SU-2026:3130-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues: The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2025-71302: drm/panthor: fix for dma-fence safe acce...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Always flush the state and policy upon the NETDEVUNREGISTER event. syzbot reports that the refcount of “struct xfrmstate” is leaking. unregisternetdevice: Waiting for netdevsim0 to become free. Usage count = 2. reftracke...

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 the functions nftnetdevunregisterhooks and nftunregisterflowtablenethooks not using listdelrcu,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - Ice: Fixed the KASAN error in the LAG NETDEVUNREGISTER handler. Currently, the same handler is called for both the NETDEVBONDINGINFO LAG unlink notification and the NETDEVUNREGISTER call. This causes problems, as the...

PT-2026-40686

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the lan78xx USB driver where a warning may be triggered in the netif napi del locked function during a USB device disconnect. This occurs because the netif napi del...

CVE-2026-43219

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Fix potential unregister of netdev that has not been registered yet If an error occurs during registernetdev for the first MAC in cpswregisterports, even though cpsw-slaves0.ndev is set to NULL, cpsw-slaves1.ndev...

CVE-2026-43219 net: cpsw_new: Fix potential unregister of netdev that has not been registered yet

In the Linux kernel, the following vulnerability has been resolved: net: cpswnew: Fix potential unregister of netdev that has not been registered yet If an error occurs during registernetdev for the first MAC in cpswregisterports, even though cpsw-slaves0.ndev is set to NULL, cpsw-slaves1.ndev...

CVE-2026-43167 xfrm: always flush state and policy upon NETDEV_UNREGISTER event

In the Linux kernel, the following vulnerability has been resolved: xfrm: always flush state and policy upon NETDEVUNREGISTER event syzbot is reporting that "struct xfrmstate" refcount is leaking. unregisternetdevice: waiting for netdevsim0 to become free. Usage count = 2 reftracker:...

CVE-2026-43167 xfrm: always flush state and policy upon NETDEV_UNREGISTER event

In the Linux kernel, the following vulnerability has been resolved: xfrm: always flush state and policy upon NETDEVUNREGISTER event syzbot is reporting that "struct xfrmstate" refcount is leaking. unregisternetdevice: waiting for netdevsim0 to become free. Usage count = 2 reftracker:...

Linux Distros Unpatched Vulnerability : CVE-2026-43167

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: always flush state and policy upon NETDEVUNREGISTER event syzbot is reporting that struct xfrmstate refcount is leaking. unregisternetdevice: waiting for...

PT-2026-37507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference count leak occurs in struct xfrm state within the Linux kernel. This issue arises because the xfrm dev unregister function was implemented as a no-op, even though xfrm dev...

CVE-2026-43012 net/mlx5: Fix switchdev mode rollback in case of failure

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix switchdev mode rollback in case of failure If for some internal reason switchdev mode fails, we rollback to legacy mode, before this patch, rollback will unregister the uplink netdev and leave it unregistered causin...

CVE-2026-31678

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

CVE-2026-23436

A flaw was found in the Linux kernel's network shaper module. A race condition can occur when a network device netdev is unregistered while its hierarchy is being created. This timing issue may allow the system to allocate resources that are not properly released, leading to a memory leak...