DirtyAH6

DirtyAH6 CVE-2026-80844 Writeup !WARNING The PoC is provided solely to help defenders, maintainers, and authorized security teams validate patches, mitigations, detections, and exposure on systems they own or are explicitly authorized to test. You are solely responsible for ensuring that your use...

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,...

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...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-146144)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-146144 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-142739)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142739 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before...

Unity Linux 20.1020e / 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-142510)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142510 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before...

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

In the Linux kernel, the following vulnerability has been resolved: xfrm: ah6: validate routing header segmentsleft AH6 rearranges the routing-header addresses before computing or verifying the ICV. ipv6rearrangerthdr assumes that segmentsleft is not greater than the number of addresses described...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.21.37 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.37 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 4.21. Red Hat Product Security has rated this update as having a...

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...

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...