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kernel: netfilter: ip6t_eui64: reject invalid MAC header for all packets

🗓️ 08 Jun 2026 03:27:24Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 16 Views

Linux kernel netfilter flaw exposes invalid MAC header in IPv6 via zero fragment offset, enabling Denial of Service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-31685
25 Apr 202608:47
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1693)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1695)
9 May 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1882)
22 Jun 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-123 (ALASKERNEL-5.10-2026-123)
22 Jun 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-107 (ALASKERNEL-5.15-2026-107)
22 Jun 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 9 : kernel (ALSA-2026:21556)
7 Jun 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2026:21706)
28 May 202600:00
–nessus
nessus
Tenable Nessus		AlmaLinux 8 : kernel-rt (ALSA-2026:21745)
29 May 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4664 : ata-modules-5.10.0-43-armmp-di - security update
3 Jul 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.0aarch64kernel6.12.0-55.77.1.el10_0kernel-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0ppc64lekernel6.12.0-55.77.1.el10_0kernel-6.12.0-55.77.1.el10_0.ppc64le.rpm
Red Hat Enterprise Linux10.0s390xkernel6.12.0-55.77.1.el10_0kernel-6.12.0-55.77.1.el10_0.s390x.rpm
Red Hat Enterprise Linux10.0x86_64kernel6.12.0-55.77.1.el10_0kernel-6.12.0-55.77.1.el10_0.x86_64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k6.12.0-55.77.1.el10_0kernel-64k-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-core6.12.0-55.77.1.el10_0kernel-64k-core-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug6.12.0-55.77.1.el10_0kernel-64k-debug-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-core6.12.0-55.77.1.el10_0kernel-64k-debug-core-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-debuginfo6.12.0-55.77.1.el10_0kernel-64k-debug-debuginfo-6.12.0-55.77.1.el10_0.aarch64.rpm
Red Hat Enterprise Linux10.0aarch64kernel-64k-debug-devel6.12.0-55.77.1.el10_0kernel-64k-debug-devel-6.12.0-55.77.1.el10_0.aarch64.rpm
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21 Aug 2026 20:35Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.19.4
EPSS0.00337
CWE-1287
Linux kernelnetfilterMAC headerfragment offsetDenial of Serviceremote attacker
16