Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007245)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007245 advisory. In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: prevent perpetual headroom growth syzkaller triggered following kasan splat: BUG:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007567)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007567 advisory. In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: make sure to pull inner header in iptunnelrcv Apply the same fix than ones found i...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007231)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007231 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv syzbot found ip6tnlrcv could access...

CVE-2026-23459 ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS

In the Linux kernel, the following vulnerability has been resolved: iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats. iptunnelxmitstats was assuming tunnels were only using NETDEVPCPUSTATTSTATS...

CVE-2026-23459 ip_tunnel: adapt iptunnel_xmit_stats() to NETDEV_PCPU_STAT_DSTATS

In the Linux kernel, the following vulnerability has been resolved: iptunnel: adapt iptunnelxmitstats to NETDEVPCPUSTATDSTATS Blamed commits forgot that vxlan/geneve use udptunnel6xmitskb which call iptunnelxmitstats. iptunnelxmitstats was assuming tunnels were only using NETDEVPCPUSTATTSTATS...

Linux iptunnel_pmtud_build_icmp Heap Buffer Overflow DoS

The vulnerability of the iptunnelpmtudbuildicmp function in the net/ipv4/iptunnelcore.c module of the Linux kernel is related to the execution of operations outside of the buffer boundaries. Exploitation of this vulnerability could allow an attacker to compromise the confidentiality, integrity, a...

SUSE CVE-2026-23277

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave devices, but does not update skb-dev to the slave device beforehand. When a...

EUVD-2026-13613

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave devices, but does not update skb-dev to the slave device beforehand. When a...

EUVD-2026-13612

In the Linux kernel, the following vulnerability has been resolved: net: add xmit recursion limit to tunnel xmit functions Tunnel xmit functions iptunnelxmit, ip6tunnelxmit lack their own recursion limit. When a bond device in broadcast mode has GRE tap interfaces as slaves, and those GRE tunnels...

CVE-2026-23276

In the Linux kernel, the following vulnerability has been resolved: net: add xmit recursion limit to tunnel xmit functions Tunnel xmit functions iptunnelxmit, ip6tunnelxmit lack their own recursion limit. When a bond device in broadcast mode has GRE tap interfaces as slaves, and those GRE tunnels...

UBUNTU-CVE-2026-23276

In the Linux kernel, the following vulnerability has been resolved: net: add xmit recursion limit to tunnel xmit functions Tunnel xmit functions iptunnelxmit, ip6tunnelxmit lack their own recursion limit. When a bond device in broadcast mode has GRE tap interfaces as slaves, and those GRE tunnels...

CVE-2026-23277

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave devices, but does not update skb-dev to the slave device beforehand. When a...

CVE-2026-23277

CVE-2026-23277 (TEQL NULL pointer dereference in iptunnel_xmit) is fixed in Linux kernel TEQL transmit path. When a GRE Gretap tunnel is TEQL slave, teql_master_xmit() transmits via netdev_start_xmit() without updating skb->dev to the slave. iptunnel_xmit then uses the original dev from skb-&g...

CVE-2026-23277

In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: fix NULL pointer dereference in iptunnelxmit on TEQL slave xmit teqlmasterxmit calls netdevstartxmitskb, slave to transmit through slave devices, but does not update skb-dev to the slave device beforehand. When a...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: iptunnel: prevent perpetual headroom growth CVE-2024-26804 In the Linux kernel, the following vulnerability has been resolved: pps: fix warning in ppsregistercdev when register device fail CVE-2025-40070 In t...

CVE-2025-71128

In the Linux kernel, the following vulnerability has been resolved: erspan: Initialize optionslen before referencing options. The struct iptunnelinfo has a flexible array member named options that is protected by a countedbyoptionslen attribute. The compiler will use this information to enforce...

UBUNTU-CVE-2025-71128

In the Linux kernel, the following vulnerability has been resolved: erspan: Initialize optionslen before referencing options. The struct iptunnelinfo has a flexible array member named options that is protected by a countedbyoptionslen attribute. The compiler will use this information to enforce...

CVE-2025-71128

In the Linux kernel, the following vulnerability has been resolved: erspan: Initialize optionslen before referencing options. The struct iptunnelinfo has a flexible array member named options that is protected by a countedbyoptionslen attribute. The compiler will use this information to enforce...

CVE-2025-71128

In the Linux kernel, the following vulnerability has been resolved: erspan: Initialize optionslen before referencing options. The struct iptunnelinfo has a flexible array member named options that is protected by a countedbyoptionslen attribute. The compiler will use this information to enforce...

Linux Distros Unpatched Vulnerability : CVE-2025-71128

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: erspan: Initialize optionslen before referencing options. The struct iptunnelinfo has a...