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-2026-59147

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-2021-46955

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix stack OOB read while fragmenting IPv4 packets running openvswitch on kernels built with KASAN, it's possible to see the following splat while testing fragmentation of IPv4 packets: BUG: KASAN: stack-out-of-bounds...

CVE-2021-46955 openvswitch: fix stack OOB read while fragmenting IPv4 packets

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix stack OOB read while fragmenting IPv4 packets running openvswitch on kernels built with KASAN, it's possible to see the following splat while testing fragmentation of IPv4 packets: BUG: KASAN: stack-out-of-bounds...

CVE-2021-46954 net/sched: sch_frag: fix stack OOB read while fragmenting IPv4 packets

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfrag: fix stack OOB read while fragmenting IPv4 packets when 'actmirred' tries to fragment IPv4 packets that had been previously re-assembled using 'actct', splats like the following can be observed on kernels built...

CVE-2021-46954

In the Linux kernel, the following vulnerability has been resolved: net/sched: schfrag: fix stack OOB read while fragmenting IPv4 packets when 'actmirred' tries to fragment IPv4 packets that had been previously re-assembled using 'actct', splats like the following can be observed on kernels built...

Linux Kernel < 2.6.19 udp_sendmsg Local Root Exploit

No description provided by source. / hoagieudpsendmsg.c LOCAL LINUX KERNEL ROOT EXPLOIT 2.6.19 - CVE-2009-2698 udpsendmsg bug exploit via output callback function used in dstentry / rtable Bug reported by Tavis Ormandy and Julien Tinnes of the Google Security Team Tested with Debian Etch r0 $ cat...

Linux Kernel < 2.6.19 (Debian 4) - 'udp_sendmsg' Local Privilege Escalation (3)

/ hoagieudpsendmsg.c LOCAL LINUX KERNEL ROOT EXPLOIT include include include include include include include include / this code will be called from NFHOOK via output callback in kernel mode / void setcurrenttaskuidsgidstozero asm"push %eax\n" "movl $0xffffe000, %eax\n" "andl %esp, %eax\n" "movl...