Linux Distros Unpatched Vulnerability : CVE-2026-97419

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hsr: broadcast netlink notifications in the device's net namespace The HSR generic netlink family sets .netnsok = true. HSR devices can live in network namespac...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: hsr: Fixed uninit-value access in fillframeinfo Syzbot reports the following uninit-value access problems. ===================================================== BUG: KMSAN: uninit-value in fillframeinfo net/hsr/hsrforward.c:60...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: hsr: avoided possible NULL dereference in skbclone The syzbot encountered a crash 1 in skbclone, caused by a bug in hsrgetuntaggedframe. When/if createstrippedskbhsr returns NULL, we must not attempt to call skbclone...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function may fail. In that case, it frees the skb and returns NULL. On the successful path, however, it returns the original skb. Therefore, it is straightforward...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networking layer: hsr – Fixed potential use-after-free issues. The skb structure is passed to netifrx, which may free it. After this call, dereferencing the skb structure may lead to a use-after-free condition...

The vulnerability of the is_supervision_frame() 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 intruder to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the issupervisionframe function in the net/hsr/hsrforward.c module, which is part of the networking functions of the Linux operating system’s kernel, relates to the issue of data being written outside of the buffer in memory. Exploiting this vulnerability could allow a...

The vulnerability of the hsr_addr_is_self() function in the net/hsr/hsr_framereg.c module, which allows a hacker to cause a service failure.

The vulnerability of the hsraddrisself function in the net/hsr/hsrframereg.c module, which is part of the Linux kernel’s networking functions, involves premature release of resources during their lifetime. Exploiting this vulnerability could allow an attacker to cause service failures...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-001447)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-001447 advisory. In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function can fail. In that...

ROS-20260821-73-0009

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...

SUSE CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

CVE-2026-68301

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR networking module. When an HSR slave device is unregistered, the system fails to properly remove synced Virtual Local Area Networks VLANs. This oversight causes the slave device to retain a reference count on these...

net: hsr: fix memory leak on slave unregistration by removing synced VLANs

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CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

UBUNTU-CVE-2026-68301

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

EUVD-2026-55402

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

CVE-2026-68301 net: hsr: fix memory leak on slave unregistration by removing synced VLANs

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

CVE-2026-68301: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which propagates VID 0 to its slave devices slave A and B. If a slave device...

Linux Distros Unpatched Vulnerability : CVE-2026-68301

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: hsr: fix memory leak on slave unregistration by removing synced VLANs When an HSR master device is brought UP, it auto-adds VLAN 0 via vlanvid0add, which...

SUSE CVE-2026-64000

In the Linux kernel, the following vulnerability has been resolved: net: hsr: fix potential OOB access in supervision frame handling Ensure the entire TLV header is linearized before access by adding sizeofstruct hsrsuptlv to the pskbmaypull calls. Without this, a truncated frame could cause an...

CVE-2026-64123

A flaw was found in the Linux kernel's High-availability Seamless Redundancy HSR networking component. When HSR node-list and node-status operations are performed, a generic-netlink reader might retain a pointer to a freed node table. This can lead to a use-after-free vulnerability, potentially...