PT-2026-115704

In the Linux kernel, the following vulnerability has been resolved: tcp: Don't call skb clone and charge r for closed listener in tcp v6 do rcv. tcp v6 do rcv no longer calls skb clone and charge r for TCP LISTEN since commit 073d89808c06 "net: fix data-races around sk-sk forward alloc". However,...

PT-2026-106629

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.10-1.1 Description A race condition exists between the tcp v6 rcv and tcp v6 do rcv functions. When a concurrent close operation changes the state from TCP LISTEN to TCP CLOSE, the function skb clone and char...

PT-2026-97876

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Bluetooth component where Bluetooth enablement fails intermittently with a timeout error. The problem occurs because the hci send cmd sync function uses skb clone ...

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

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...

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

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw in zerocopy state handling within the skb tx error function in net/skbuff allows for local privilege escalation. The issue occurs because skb tx error completes the zerocopy uarg...

SUSE 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-2026-74263

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...

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

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

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the t7xx port ctrl tx function when it fails to verify the result of skb clone. The function clones each skb fragment before passing it to the port...

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...

PT-2026-72746

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the vhost-net component of the Linux kernel. The vhost zerocopy complete function incorrectly treats every ubuf callback as a completed vhost...

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...