CVE-2026-72249 netfilter: flowtable: use dst in this direction when pushing IPIP header

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple...

EUVD-2026-59148

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple...

CVE-2026-72249 netfilter: flowtable: use dst in this direction when pushing IPIP header

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple...

EUVD-2026-59147

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: support IPIP tunnel with direct xmit The combination of IPIP tunnel with direct xmit, eg. bridge device, breaks because no dstentry is provided to check the skb headroom and to set the iph-fragoff field. Thi...

CVE-2026-72248

The CVE-2026-72248 entry pertains to the Linux kernel netfilter flowtable: IPIP tunnels with direct xmit can crash the tunnel transmit path due to missing dst_entry when checking headroom and setting iph->frag_off. The workaround/patch moves dst_cache and dst_cookie out of the runtime union so...

CVE-2026-72248 netfilter: flowtable: support IPIP tunnel with direct xmit

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: support IPIP tunnel with direct xmit The combination of IPIP tunnel with direct xmit, eg. bridge device, breaks because no dstentry is provided to check the skb headroom and to set the iph-fragoff field. Thi...

CVE-2026-72248 netfilter: flowtable: support IPIP tunnel with direct xmit

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: support IPIP tunnel with direct xmit The combination of IPIP tunnel with direct xmit, eg. bridge device, breaks because no dstentry is provided to check the skb headroom and to set the iph-fragoff field. Thi...

EUVD-2026-59145

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use correct direction to set up tunnel route The layer 2 encapsulation and layer 3 tunnel information in the xmit path is taken from the other tuple, because the tunnel information that is included in the...

CVE-2026-72246

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CVE-2026-72246

CVE-2026-72246 — Linux kernel netfilter flowtable: The issue arises in the path that handles tunneling (Layer 2/3) during transmission, where tunnel information used for hashtable lookups could be sourced from the wrong direction, causing incorrect egress encapsulation. The patch fixes the tunnel...

CVE-2026-72246 netfilter: flowtable: use correct direction to set up tunnel route

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use correct direction to set up tunnel route The layer 2 encapsulation and layer 3 tunnel information in the xmit path is taken from the other tuple, because the tunnel information that is included in the...

PT-2026-72605

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable component where the nf flow ip4 tunnel proto function fails to validate the iph-ihl field. This lack of sanity checking when computing the head...

CVE-2026-72248: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: support IPIP tunnel with direct xmit The combination of IPIP tunnel with direct xmit, eg. bridge device, breaks because no dstentry is provided to check the skb headroom and to set the iph-fragoff field. Thi...

CVE-2026-72417: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Validate iph-ihl in nfflowip4tunnelproto Add sanity check for iph-ihl field in nfflowip4tunnelproto before using it to compute the header size, avoiding out-of-bounds access with malformed IP headers. While ...

PT-2026-72434

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use correct direction to set up tunnel route The layer 2 encapsulation and layer 3 tunnel information in the xmit path is taken from the other tuple, because the tunnel information that is included in the...

PT-2026-72437

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable component when pushing the IPIP header. The system incorrectly uses the route of the opposite direction to calculate the headroom instead of th...

CVE-2026-72442: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: fix and simplify IP6IP6 tunnel handling Fix nfflowip6tunnelproto to use pskbmaypull instead of skbheaderpointer to ensure the outer IPv6 header is in the skb headroom, which is required for subsequent packet...

PT-2026-72630

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable regarding IP6IP6 tunnel handling. The nf flow ip6 tunnel proto function incorrectly used skb header pointer instead of pskb may pull, which cou...

CVE-2026-72249: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: use dst in this direction when pushing IPIP header When pushing the IPIP header, the route of the other direction is used to calculate the headroom, use the route in this direction. Accessing the other tuple...

MiracleLinux 9 : kernel-5.14.0-687.19.1.el9_8 (AXSA:2026-1437:58)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1437:58 advisory. kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kernel: ipv6: icmp: clear skb2-cb in...