Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: iptunnel: A suspicious RCU usage warning was fixed in iptunnelinitflow. There are code paths where the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning 1. The issue was fixed...

netsniff-ng

////////////////////////////////////////////////////////////////////////////// root@kitploit: netsniff-ng - the packet sniffing beast \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ . . netsniff-ng is a free, performant / Linux network analyzer and .' '. networking...

Linux Distros Unpatched Vulnerability : CVE-2026-80978

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can...

CVE-2026-80978

A flaw was found in the Linux kernel, specifically within its IP tunnel devices. A local attacker could create a stack of user-controlled IP tunnel devices, causing the system to miscalculate the required memory for network packet headers. This miscalculation can lead to unnecessary memory...

CVE-2026-80978

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

AZL-100806 CVE-2026-80978 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

DEBIAN-CVE-2026-80978

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

CVE-2026-80978

CVE-2026-80978 affects the Linux kernel networking subsystem, specifically the IP tunnel devices. When a local attacker stacks user-created IP tunnel devices, the derived needed_headroom can exceed the 16-bit skb header offset range, causing those offsets to wrap during skb head expansion. The fi...

CVE-2026-80978

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

CVE-2026-80978 net: cap advertised IP tunnel headroom

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

EUVD-2026-76301

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

CVE-2026-80978 net: cap advertised IP tunnel headroom

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised neededheadroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

PT-2026-90108

In the Linux kernel, the following vulnerability has been resolved: net: cap advertised IP tunnel headroom IP tunnel devices derive their advertised needed headroom from lower output devices. A stack of user-created devices can make the derived value larger than the 16-bit skb header offsets can...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: iptunnel: prevents perpetual headroom growth The issue occurred due to the following sequence of events: BUG: KASAN: use-after-free in skbflowdissect+0x19d1/0x7a50 net/core/flowdissector.c:1170 A size 1 byte read was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: The cleanup of neighbor information has been moved to the profile cleanuptx callback. For IP tunnel encapsulation in ECMP Equal-Cost Multipath mode, since the flow is duplicated to the peer eswitch, the related neighbo...

UBUNTU-CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

The vulnerability of the seg6_build_state() function in the net/ipv6/seg6_iptunnel.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the seg6buildstate function in the net/ipv6/seg6iptunnel.c module of the Linux kernel is related to synchronization errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2026-63994

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...

CVE-2026-63994

In the Linux kernel, the following vulnerability has been resolved: tunnels: load network headers after skbcow in iptunnelpmtudbuildicmpv6 Sashiko found that iptunnelpmtudbuildicmp and iptunnelpmtudbuildicmpv6 were caching iphdr and ipv6hdr before an skbcow call which can reallocate skb-head. Fix...