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kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

🗓️ 26 Aug 2026 06:06:27Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Linux kernel ip6_tunnel KMSAN uninit-value in ECN decapsulate due to missing VLAN handling.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit		Exploit for Use of Uninitialized Resource in Linux Linux_Kernel
5 Aug 202621:21
–githubexploit
attackerkb
ATTACKERKB		CVE-2026-23003
25 Jan 202614:36
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1455)
6 Mar 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1468)
6 Mar 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-114 (ALASKERNEL-5.10-2026-114)
19 Mar 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.15-2026-098 (ALASKERNEL-5.15-2026-098)
6 Mar 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4475 : ata-modules-5.10.0-35-armmp-di - security update
11 Feb 202600:00
–nessus
nessus
Tenable Nessus		Debian dla-4476 : linux-config-6.1 - security update
11 Feb 202600:00
–nessus
nessus
Tenable Nessus		Debian dsa-6126 : ata-modules-6.12.31-armmp-di - security update
9 Feb 202600:00
–nessus
nessus
Tenable Nessus		Debian dsa-6127 : affs-modules-6.1.0-37-4kc-malta-di - security update
9 Feb 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64kernel5.14.0-687.42.1.el9_8kernel-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lekernel5.14.0-687.42.1.el9_8kernel-5.14.0-687.42.1.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xkernel5.14.0-687.42.1.el9_8kernel-5.14.0-687.42.1.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64kernel5.14.0-687.42.1.el9_8kernel-5.14.0-687.42.1.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k5.14.0-687.42.1.el9_8kernel-64k-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-core5.14.0-687.42.1.el9_8kernel-64k-core-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug5.14.0-687.42.1.el9_8kernel-64k-debug-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-core5.14.0-687.42.1.el9_8kernel-64k-debug-core-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-debuginfo5.14.0-687.42.1.el9_8kernel-64k-debug-debuginfo-5.14.0-687.42.1.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8aarch64kernel-64k-debug-devel5.14.0-687.42.1.el9_8kernel-64k-debug-devel-5.14.0-687.42.1.el9_8.aarch64.rpm
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26 Aug 2026 09:49Current
CVSS 3.15.5 - 7.5
EPSS0.00476
SSVC
CWE-457
Linux kernelip6_tunneluninit-valueKMSANECN decapsulateVLAN encapsulation
2