kernel: block: fix resource leak in blk_register_queue() error path

In the Linux kernel, the following vulnerability has been resolved: block: fix resource leak in blkregisterqueue error path When registering a queue fails after blkmqsysfsregister is successful but the function later encounters an error, we need to clean up the blkmqsysfs resources. Add the missi...

kernel: net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime Assuming the "rx-vlan-filter" feature is enabled on a net device, the 8021q module will automatically add or remove VLAN 0 when the net device is put...

CVE-2026-43479 net: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fix WARN in netifnapidellocked on disconnect Remove redundant netifnapidel call from disconnect path. A WARN may be triggered in netifnapidellocked during USB device disconnect: WARNING: CPU: 0 PID: 11 at...

CVE-2026-43479

In the Linux kernel, the following vulnerability has been resolved: net: usb: lan78xx: fix WARN in netifnapidellocked on disconnect Remove redundant netifnapidel call from disconnect path. A WARN may be triggered in netifnapidellocked during USB device disconnect: WARNING: CPU: 0 PID: 11 at...

SUSE CVE-2026-43460

In the Linux kernel, the following vulnerability has been resolved: spi: rockchip-sfc: Fix double-free in remove callback The driver uses devmspiregistercontroller for registration, which automatically unregisters the controller via devm cleanup when the device is removed. The manual call to...

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...

The vulnerability of the nf_conntrack_helper_unregister() function in Linux operating systems allows a hacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the nfconntrackhelperunregister function in Linux operating systems is related to incomplete cleanup of temporary or auxiliary resources. Exploiting this vulnerability can allow an attacker to compromise the confidentiality, integrity, and accessibility of protected informati...

SUSE-SU-2026:21621-1 Security update for grub2

This update for grub2 fixes the following issues - CVE-2025-54770: Missing unregister call for netsetvlan command may lead to use-after-free bsc1252930. - CVE-2025-54771: grubfileclose does not properly controls the fs refcount bsc1252931. - CVE-2025-61661: Out-of-bounds write in grubusbgetstring...

kernel: can: raw: fix ro->uniq use-after-free in raw_rcv()

A flaw was found in the Linux kernel's Controller Area Network CAN raw socket implementation. A use-after-free vulnerability can occur due to a timing window during the unregistration of CAN receive filters, allowing a freed memory region to be accessed. This could lead to system instability or a...

SUSE 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...

EUVD-2026-28703

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: samsung-dsim: Fix memory leak in error path In samsungdsimhostattach, drmbridgeadd is called to add the bridge. However, if samsungdsimregisterteirq or pdata-hostops-attach fails afterwards, the function returns witho...

UBUNTU-CVE-2026-43397

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: samsung-dsim: Fix memory leak in error path In samsungdsimhostattach, drmbridgeadd is called to add the bridge. However, if samsungdsimregisterteirq or pdata-hostops-attach fails afterwards, the function returns witho...

SUSE CVE-2026-43014

In the Linux kernel, the following vulnerability has been resolved: net: macb: properly unregister fixed rate clocks The additional resources allocated with clkregisterfixedrate need to be released with clkunregisterfixedrate, otherwise they are lost...

SUSE CVE-2026-43181

In the Linux kernel, the following vulnerability has been resolved: gpio: sysfs: fix chip removal with GPIOs exported over sysfs Currently if we export a GPIO over sysfs and unbind the parent GPIO controller, the exported attribute will remain under /sys/class/gpio because once we remove the pare...

SUSE CVE-2026-43207

In the Linux kernel, the following vulnerability has been resolved: media: mtk-mdp: Fix error handling in probe function Add mtkmdpunregisterm2mdevice on the error handling path to prevent resource leak. Add check for the return value of vpugetplatdevice to prevent null pointer dereference. And...

SUSE CVE-2026-43234

In the Linux kernel, the following vulnerability has been resolved: team: avoid NETDEVCHANGEMTU event when unregistering slave syzbot is reporting unregisternetdevice: waiting for netdevsim0 to become free. Usage count = 3 reftracker: netdev@ffff88807dcf8618 has 1/2 users at netdevtrackeralloc...

CVE-2026-43219

A flaw was found in the Linux kernel's network component, net: cpswnew. This vulnerability occurs when an error during the registration of a network device leads to an attempt to unregister a device that was not properly registered. This improper handling of network device states could result in...

CVE-2026-43167

A flaw was found in the Linux kernel's xfrm subsystem, which handles IPsec Internet Protocol Security transformations. This vulnerability is caused by a reference count leak in xfrmstate objects when a network device is unregistered. An attacker with local access and privileges to configure netwo...

EUVD-2026-27781

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...

EUVD-2026-27728

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:...