PT-2026-61317

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds access issue exists in the handling of supervision frames within the High-availability Seamless Redundancy HSR network protocol. The problem occurs when a truncated fram...

SUSE CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

Linux Distros Unpatched Vulnerability : CVE-2026-53353

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

UBUNTU-CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

EUVD-2026-40987

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53353

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

CVE-2026-53353 hsr: Remove WARN_ONCE() in hsr_addr_is_self().

In the Linux kernel, the following vulnerability has been resolved: hsr: Remove WARNONCE in hsraddrisself. syzbot reported the warning 0 in hsraddrisself, whose assumption is simply wrong. hsr-selfnode is cleared in hsrdelselfnode, which is called from hsrdellink. Since dev-rtnllinkops-dellink is...

PT-2026-54821

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the High-availability Seamless Redundancy HSR implementation where a warning is incorrectly triggered in the hsr addr is self function. The problem occurs because...

SUSE CVE-2025-39703

In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG: 45.390915 skbuff: skbunderpanic: text:ffffffff86f32cac len:26 put:14...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: hsr: It is necessary to hold the rcu lock and dev lock during the execution of hsrgetportndev. The hsrgetportndev function calls hsrforeachport, which requires holding the rcu lock. On the other hand, before returning the port...

The vulnerability of the fill_frame_info() function in the net/hsr/hsr_forward.c module, which is part of the networking functions of the Linux operating system’s kernel, allows a hacker to cause a service failure.

The vulnerability of the fillframeinfo function in the net/hsr/hsrforward.c module, which is part of the networking functions in the Linux operating system’s kernel, relates to the use of uninitialized variables. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the hsr_get_untagged_frame() function in the net/hsr/hsr_forward.c module, a Linux kernel networking function implementation, allows a hacker to cause a service failure.

The vulnerability of the hsrgetuntaggedframe function in the net/hsr/hsrforward.c module, which is part of the networking functions in the Linux kernel, relates to the dereferencing of a NULL pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the prp_get_untagged_frame() function in the net/hsr module of the Linux operating system’s High-Speed Reservation (HSR) protocol implementation allows a attacker to disclose protected information.

The vulnerability of the prpgetuntaggedframe function in the net/hsr module of the Linux operating system’s High-Speed Reservation Resource HSR protocol involves an operation that occurs outside of the buffer boundaries. Exploiting this vulnerability could allow an attacker to disclose protected...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003605)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003605 advisory. In the Linux kernel before 5.0.3, a memory leak exits in hsrdevfinalize in net/hsr/hsrdevice.c if hsraddport fails to add a port, which may cause denial of service,...

SUSE CVE-2025-68776

In the Linux kernel, the following vulnerability has been resolved: net/hsr: fix NULL pointer dereference in prpgetuntaggedframe prpgetuntaggedframe calls pskbcopy to create frame-skbstd but doesn't check if the allocation failed. If pskbcopy returns NULL, skbclone is called with a NULL pointer,...

CVE-2025-68776

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR networking component. This vulnerability occurs due to a missing NULL pointer check in the prpgetuntaggedframe function. An attacker could exploit this by triggering a scenario where a memory allocation fails, leadin...

UBUNTU-CVE-2025-68776

In the Linux kernel, the following vulnerability has been resolved: net/hsr: fix NULL pointer dereference in prpgetuntaggedframe prpgetuntaggedframe calls pskbcopy to create frame-skbstd but doesn't check if the allocation failed. If pskbcopy returns NULL, skbclone is called with a NULL pointer,...