CVE-2026-31414 netfilter: nf_conntrack_expect: use expect->helper

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in ctnetlink pa...

CVE-2026-31414

CVE-2026-31414 (Linux kernel netfilter nf_conntrack_expect) The vulnerability arises from using nfct_help() without holding a reference to the master conntrack, leading to unsafe references when the helper is dumped via ctnetlink and /proc. The fix switches to using exp->master->helper in t...

CVE-2026-31414 netfilter: nf_conntrack_expect: use expect->helper

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in ctnetlink pa...

PT-2026-32340

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter component within the nf conntrack expect function. Using nfct help without holding a reference to the master conntrack is unsafe. To maintain existing...

CVE-2026-31414

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to the master conntrack is unsafe. Use exp-master-helper in ctnetlink pa...

Linux Distros Unpatched Vulnerability : CVE-2026-31414

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfconntrackexpect: use expect-helper Use expect-helper in ctnetlink and /proc to dump the helper name. Using nfcthelp without holding a reference to...

PT-2026-32353

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the netfilter module, the process sdp function declares a union nf inet addr named rtp addr on the stack. This variable is only initialized when a recognized media type with a non-zer...

OESA-2026-1872 openvswitch security update

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fixes: "Description\n===========\n\nMultiple versions of Open vSwitch are vulnerable to crafted FTP payloads\ncausing invalid memory accesses, potential...

OESA-2026-1871 openvswitch security update

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fixes: "Description\n===========\n\nMultiple versions of Open vSwitch are vulnerable to crafted FTP payloads\ncausing invalid memory accesses, potential...

netfilter: conntrack: add missing netlink policy validations

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SUSE CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407

A flaw was found in the Linux kernel's netfilter conntrack subsystem. Missing netlink policy validations allow a local attacker to provide a specially crafted input, leading to an out-of-bounds read. This vulnerability can result in information disclosure from kernel memory or potentially cause a...

EUVD-2026-19197

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407 netfilter: conntrack: add missing netlink policy validations

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407 netfilter: conntrack: add missing netlink policy validations

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407

The CVE-2026-31407 entry covers a Linux kernel netfilter conntrack issue where missing netlink policy validations allow a local attacker to craft input that can cause a slab-out-of-bounds access in sctp/ctnetlink, via using unvalidated CTA_PROTOINFO_SCTP_STATE values and accessing ct->master-&...

CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...

CVE-2026-31407

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the kernel without any validation. Extend the netlink policies accordingly...