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...

Important: kernel-livepatch-6.18.48-107.148

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:...

Important: kernel-livepatch-6.12.94-123.174

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader CVE-2026-68121 In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow CVE-2026-74469 In the Linux kernel, t...

Important: kernel-livepatch-6.18.38-73.137

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:...

Important: kernel-livepatch-6.1.186-228.374

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:...

Important: kernel-livepatch-6.12.103-127.188

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:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader CVE-2026-68121 In the Linux kernel, the following vulnerability has been resolved: sctp: prevent peer transport count overflow CVE-2026-74469 In the Linux kernel, t...

SUSE CVE-2026-80844

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

CVE-2026-80844

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

CVE-2026-80844

Linux kernel IPsec AH6 transformation is vulnerable to an out-of-bounds memory access via a crafted IPv6 Routing Header. The function ipv6_rearrange_rthdr() assumes the segments_left field does not exceed the number of addresses implied by hdrlen. For raw IPv6 HDRINCL packets this invariant is no...

CVE-2026-80844 xfrm: ah6: validate routing header segments_left

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

EUVD-2026-71294

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

CVE-2026-80844 xfrm: ah6: validate routing header segments_left

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

CVE-2026-80844

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

Linux Distros Unpatched Vulnerability : CVE-2026-80844

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: ah6: validate routing header segmentsleft AH6 rearranges routing-header addresses before computing or verifying the ICV. ipv6rearrangerthdr assumes that...

CVE-2026-80844: Undefined Security Weakness

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