Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-46165)

In the Linux kernel, the following vulnerability has been resolved: openvswitch: vport: fix self-deadlock on release of tunnel ports vports are used concurrently and protected by RCU, so netdevput must happen after the RCU grace period. So, either in an RCU call or after the synchronizenet. The...

Siemens SIMATIC S7-1500 TM MFP Improper Input Validation (CVE-2026-45840)

In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...

Linux Distros Unpatched Vulnerability : CVE-2026-98491

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing...

Linux Distros Unpatched Vulnerability : CVE-2026-98532

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: do not let ipv6findhdr return an offset past the packet end ipv6findhdr walks the extension header chain, skipping each header by the length that header...

UBUNTU-CVE-2026-98532

In the Linux kernel, the following vulnerability has been resolved: ipv6: do not let ipv6findhdr return an offset past the packet end ipv6findhdr walks the extension header chain, skipping each header by the length that header itself declares. ipv6optlen returns up to 2048, and the skip is never...

UBUNTU-CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

UBUNTU-CVE-2026-98490

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport -...

CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98490

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport -...

SUSE CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

DEBIAN-CVE-2026-98532

In the Linux kernel, the following vulnerability has been resolved: ipv6: do not let ipv6findhdr return an offset past the packet end ipv6findhdr walks the extension header chain, skipping each header by the length that header itself declares. ipv6optlen returns up to 2048, and the skip is never...

DEBIAN-CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

AZL-108710 CVE-2026-98491 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

AZL-108815 CVE-2026-98490 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport -...

DEBIAN-CVE-2026-98490

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport -...

CVE-2026-98490

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: fix helper UAF due to extensions realloc While calling the helpers, a raw pointer to the extensions area is wired into expectations list: - nfcthelper - helper-help - nfctexpectrelatedreport -...

EUVD-2026-103731

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98491

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: conntrack: avoid modifying shared unconfirmed ct entry In a case where skb with an unconfirmed ct entry gets cloned, we may end up committing both but with different sets of extensions. The series of events: 1...

CVE-2026-98491

A use-after-free (UAF) vulnerability exists in the Linux kernel within the Open vSwitch conntrack subsystem. When network packet buffers (skb ) containing shared unconfirmed connection tracking (ct) entries are cloned, they may be committed with conflicting extensions. This occurs because the fir...