EUVD-2026-76300

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't touch shared zerocopy state in skbtxerror skbtxerror completes the zerocopy uarg and clears SKBFLALLZEROCOPY, and skbzcopydowngrademanaged clears SKBFLMANAGEDFRAGREFS. Both live in skbshinfo, which every clone...

PT-2026-90107

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: don't touch shared zerocopy state in skb tx error skb tx error completes the zerocopy uarg and clears SKBFL ALL ZEROCOPY, and skb zcopy downgrade managed clears SKBFL MANAGED FRAG REFS. Both live in skb shinfo, which...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fixed a use-after-free in bondxmitbroadcast. bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release operations may mutat...

CVE-2026-74263

A flaw was found in the Linux kernel's Wireless Wide Area Network WWAN t7xx driver. The t7xxportctrltx function, which handles control transmissions, fails to validate the return value of skbclone. An attacker with local access could exploit this by triggering a scenario where skbclone returns a...

CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

UBUNTU-CVE-2026-74310

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

CVE-2026-74310 vhost/net: complete zerocopy ubufs only once

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubufinfo per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb referenc...

PT-2026-72699

In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: check skb clone in control TX t7xx port ctrl tx clones each skb fragment before passing it to the port transmit path. The clone is used immediately to set cloned-len, so an skb clone failure results in a NULL...

PT-2026-72746

In the Linux kernel, the following vulnerability has been resolved: vhost/net: complete zerocopy ubufs only once vhost-net initializes one ubuf info per outstanding zerocopy TX descriptor and hands it to the backend socket. The networking stack may then clone a zerocopy skb before all skb...

PT-2026-69700

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SCTP authentication mechanism where the sctp auth chunk verify function returns true unconditionally when the auth chunk variable is NULL, which allows...

PT-2026-61308

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth 6lowpan component where the send mcast pkt function calls skb clone without verifying its return value. Because skb clone can return NULL during memory...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: iwlwifi: mei: fix potential NULL-ptr dereference after clone If cloning an SKB object fails, do not attempt to use it. Instead, return an error code as if you are passing it along. Coverity CID: 1503456...

PT-2026-51715

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the batman-adv module where the batadv dat forward data function calls pskb copy for clone to duplicate an skb for each DHT candidate without verifying the return valu...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013566)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013566 advisory. 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...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011148)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011148 advisory. 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...

EUVD-2026-21943

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

CVE-2026-31419

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release can mutate the slave list...

Linux Distros Unpatched Vulnerability : CVE-2026-31419

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free in bondxmitbroadcast bondxmitbroadcast reuses the original...

SUSE CVE-2022-50784

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mei: fix potential NULL-ptr deref after clone If cloning the SKB fails, don't try to use it, but rather return as if we should pass it. Coverity CID: 1503456...

SUSE CVE-2022-50817

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...