Linux Distros Unpatched Vulnerability : CVE-2026-53221

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6vti: fix incorrect tunnel matching in vti6tnllookup In vti6tnllookup, when an exact match for a tunnel fails, the code falls back to searching for wildcard...

CVE-2026-53221

A flaw was found in the Linux kernel, specifically within the ip6vti component responsible for managing IPv6 tunnels. This vulnerability arises from an error in the vti6tnllookup function, which incorrectly matches network tunnels by failing to properly verify wildcard addresses during fallback...

SUSE CVE-2026-52909

In the Linux kernel, the following vulnerability has been resolved: ip6vti: set netnsimmutable on the fallback device. john1988 and Noam Rathaus reported that vti6initnet does not set the netnsimmutable flag on the per-netns fallback tunnel device ip6vti0. Other similar tunnel drivers like...

CLSA-2026-1767864313 kernel: Fix of 46 CVEs

mm: hugetlb: fix UAF in hugetlbhandleuserfault CVE-2022-50630 - drm/amdkfd: fix potential kgdmem UAFs CVE-2023-53816 - net/mlx5e: Fix deadlock in tc route query code CVE-2023-53591 - PCI: Fix pcideviceispresent for VFs by checking PF CVE-2022-50636 - wifi: ath11k: fix monitor mode bringup crash...

SUSE CVE-2023-53821

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipv6vti device sen...

DEBIAN-CVE-2023-53821

In the Linux kernel, the following vulnerability has been resolved: ip6vti: fix slab-use-after-free in decodesession6 When ipv6vti device is set to the qdisc of the sfb type, the cb field of the sent skb may be modified during enqueuing. Then, slab-use-after-free may occur when ipv6vti device sen...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the ip6vti device that may trigger post-release reuse when sending IPv6 packets...