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...

EUVD-2026-45808

In the Linux kernel, the following vulnerability has been resolved: net: hsr: defer node table free until after RCU readers HSR node-list and node-status generic-netlink operations run under rcureadlock. They walk hsr-nodedb through hsrgetnextnode and hsrgetnodedata, but RTMDELLINK teardown remov...

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...

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...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, hsr: rejecting HSR frames if skb cannot hold the tag. Receiving an HSR frame with insufficient space to hold the HSR tag in the skb can result in a crash kernel bug. 45.390915 skbuff: skbunderpanic:...

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 net/hsr: fix NULL pointer dereference in prp_get_untagged_frame()

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,...

EUVD-2022-55881

In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid possible NULL deref in skbclone syzbot got a crash 1 in skbclone, caused by a bug in hsrgetuntaggedframe. When/if createstrippedskbhsr returns NULL, we must not attempt to call skbclone. While we are at it, replac...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-391040)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-391040 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fillframeinfo syzbot is able to feed a packet wi...

EUVD-2025-30859

Malicious code in bioql PyPI...

AZL-66923 CVE-2025-39703 affecting package kernel for versions less than 6.6.104.2-1

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...

CVE-2025-39703

The CVE-2025-39703 issue affects the Linux kernel net/hsr path. A corrupted HSR frame that cannot fit the HSR tag could lead to a crash (kernel BUG) when bailing out via skb_push() due to insufficient headroom. The documented fix is to drop/consume frames that are too short to contain both Ethern...

PT-2025-39129

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to resource handling within the hsr subsystem. Specifically, the hsr get port ndev function does not properly manage locks, potentially leading ...

SUSE CVE-2024-56648

In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fillframeinfo syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fillframeinfo is relying on skb-maclen already, extend the check to cover this case...

AZL-54785 CVE-2024-56648 affecting package kernel for versions less than 5.15.176.3-1

In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fillframeinfo syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fillframeinfo is relying on skb-maclen already, extend the check to cover this case...

AZL-54818 CVE-2024-56648 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: net: hsr: avoid potential out-of-bound access in fillframeinfo syzbot is able to feed a packet with 14 bytes, pretending it is a vlan one. Since fillframeinfo is relying on skb-maclen already, extend the check to cover this case...

DEBIAN-CVE-2024-56639

In the Linux kernel, the following vulnerability has been resolved: net: hsr: must allocate more bytes for RedBox support Blamed commit forgot to change hsrinitskb to allocate larger skb for RedBox case. Indeed, sendhsrsupervisionframe will add two additional components struct hsrsuptlv and struc...

SUSE CVE-2023-52846

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to f...

DEBIAN-CVE-2023-52846

In the Linux kernel, the following vulnerability has been resolved: hsr: Prevent use after free in prpcreatetaggedframe The prpfillrct function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to f...

UBUNTU-CVE-2024-26863

In the Linux kernel, the following vulnerability has been resolved: hsr: Fix uninit-value access in hsrgetnode KMSAN reported the following uninit-value access issue 1: ===================================================== BUG: KMSAN: uninit-value in hsrgetnode+0xa2e/0xa40 net/hsr/hsrframereg.c:2...