kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-7000

A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to...

CVE-2026-7000

A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to...

CVE-2026-7000 Datacom DM4100 VLAN Page cross site scripting

A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to...

CVE-2026-7000 Datacom DM4100 VLAN Page cross site scripting

A vulnerability has been found in Datacom DM4100 1.3.6.1.4.1.3709. Affected by this issue is some unknown functionality of the component VLAN Page. Such manipulation of the argument VLAN Name leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to...

CVE-2026-7000

Datacom DM4100 1.3.6.1.4.1.3709 has a VLAN Page vulnerability where manipulating the VLAN Name enables cross-site scripting. This affects the VLAN Page component and can be exploited remotely, with public exploit information available. The vendor was contacted but did not respond. No remediation ...

CVE-2026-31684

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

EUVD-2026-25651

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

CVE-2026-31684

The CVE-2026-31684 issue is in the Linux kernel’s net/sched pathology (act_csum) where tcf_csum_act() reads nested VLAN headers directly from skb->data if the payload contains VLAN tags, and may read VLAN_HLEN bytes before guaranteeing the full header is present. The root cause is that the cod...

CVE-2026-31684

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

CVE-2026-31684 net: sched: act_csum: validate nested VLAN headers

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

Datacom DM4100 跨站脚本漏洞

The Datacom DM4100 is a high-performance routing and switching device designed for operational-level networks by Datacom Company in New Zealand. The Datacom DM4100 version 1.3.6.1.4.1.3709 has a cross-site scripting vulnerability. This vulnerability stems from the operation of the VLAN Name...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the nested VLAN headers in actcsum not being linearly present. This vulnerability may lead to the...

Linux Distros Unpatched Vulnerability : CVE-2026-31684

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. Th...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

kernel: macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013528)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013528 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: add vlan list lock to protect vlan list When adding port base VLAN, vf VLAN need to...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011375)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011375 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: add vlan list lock to protect vlan list When adding port base VLAN, vf VLAN need to...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013203)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013203 advisory. In the Linux kernel, the following vulnerability has been resolved: net: add vlangetprotocolanddepth helper Before blamed commit, pskbmaypull was used instead of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007333)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007333 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: add vlan list lock to protect vlan list When adding port base VLAN, vf VLAN need to...