CVE-2026-80844

🔥 CVE-2026-80844 - DirtyAH6 Linux Kernel IPv6 AH6 Local Privilege Escalation CVE-2026-80844 is a Linux kernel vulnerability affecting the IPv6 Authentication Header AH6 / XFRM subsystem. The vulnerability is caused by insufficient validation of the IPv6 Routing Header segmentsleft field,...

DirtyAH6

DirtyAH6 CVE-2026-80844 Разбор !WARNING PoC предоставлен исключительно для помощи защитникам, мейнтейнерам и авторизованным командам безопасности в проверке патчей, мер защиты, обнаружения и подверженности уязвимости на системах, которыми они владеют или которые им явно разрешено тестировать. Вы...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.19.50 bug fix and security update

Red Hat OpenShift Container Platform release 4.19.50 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.19. Red Hat Product Security has rated this update as having a...

Oracle Linux 7 / 8 : Unbreakable Enterprise kernel (ELSA-2026-500375)

The remote Oracle Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500375 advisory. - net: tun: bound receive headroom Asim Viladi Oglu Manizada Orabug: 40020673 CVE-2026-81000 - xfrm: ah6: validate routing header segmentsleft As...

Unbreakable Enterprise kernel security update

5.4.17-2136.360.3 - IB/mlx4: delete allocated idmapentry while sending REJ Praveen Kumar Kannoju Orabug: 39999072 - net: tun: bound receive headroom Asim Viladi Oglu Manizada Orabug: 40020673 CVE-2026-81000 - xfrm: ah6: validate routing header segmentsleft Asim Viladi Oglu Manizada Orabug: 399821...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: ipv6: Fixed warnings related to memcpy operations that span multiple fields in the AH output. These warnings occur when extension headers are copied to IPv6 address fields, causing Fortify-string warnings regarding writes...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE...

RHEL 10 : kernel (RHSA-2026:74974)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:74974 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xfrm: ah6: validate routing header...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom CVE-2026-81000 Affected Packages: kernel6.18 Issu...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been resolved: net: tun: bound receive headroom CVE-2026-81000 Affected Packages: kernel Issue...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-3102)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-3102 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft CVE-2026-80844 In the Linux kernel, the following vulnerability has been...

ROS-20260928-73-0118

The vulnerability of the functions ah6outputdone and ah6output in the Linux kernel’s net/ipv6/ah6.c file is related to incorrect calculation of buffer size. Exploiting this vulnerability could allow an attacker to cause a service failure...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...

kernel: xfrm: ah6: validate routing header segments_left

A flaw was found in the Linux kernel's xfrm subsystem, specifically within the AH6 Authentication Header for IPv6 module. The ipv6rearrangerthdr function does not properly validate the segmentsleft field in routing headers when processing raw IPv6 HDRINCL packets. This oversight allows an attacke...