Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013056)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013056 advisory. In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates...

PT-2026-36454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the ip4ip6 err function where it calls icmp send using a cloned socket buffer skb containing cb data written as struct inet6 skb parm. The icmp send function passes...

EUVD-2026-13612

In the Linux kernel, the following vulnerability has been resolved: net: add xmit recursion limit to tunnel xmit functions Tunnel xmit functions iptunnelxmit, ip6tunnelxmit lack their own recursion limit. When a bond device in broadcast mode has GRE tap interfaces as slaves, and those GRE tunnels...

Medium: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fix infinite loop in attrloadrunsrange on inconsistent metadata CVE-2025-71265 In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: check return value of indxfind to avoid...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Reinit blkgiostatset after clearing in blkcgresetstats CVE-2023-53421 In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomapwritedelallocsca...

CVE-2026-23003

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

CVE-2026-23003

CVE-2026-23003 : In the Linux kernel’s IPv6 tunnel receive path (ip6_tunnel, __ip6_tnl_rcv), VLAN encapsulations were not handled correctly due to a failed VLAN-aware pull in the decapsulation path. The fix substitutes skb_vlan_inet_prepare() for pskb_inet_may_pull() to properly accommodate VLAN-...

CVE-2026-23003

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

EUVD-2026-4621

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

Important: kernel-livepatch-6.1.155-176.282

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth CVE-2025-40173 Affected Packages: kernel-livepatch-6.1.155-176.282 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-6.12.53-69.119

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth CVE-2025-40173 Affected Packages: kernel-livepatch-6.12.53-69.119 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

Important: kernel-livepatch-5.10.245-241.976

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth CVE-2025-40173 Affected Packages: kernel-livepatch-5.10.245-241.976 Issue Correction: Please ensure you have live patching enabled. Run yum update...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2025-28048)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-28048 advisory. - netfilter: nftables: reject duplicate device on updates Pablo Neira Ayuso Orabug: 38744086 CVE-2025-38678 - PCI: rcar: Demote WARN to...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1297)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1297 advisory. In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption CVE-2025-40019 In the Linux kernel, the following...

CVE-2025-40173

In the Linux kernel, the following vulnerability has been resolved: net/ip6tunnel: Prevent perpetual tunnel growth Similarly to ipv4 tunnel, ipv6 version updates dev-neededheadroom, too. While ipv4 tunnel headroom adjustment growth was limited in commit 5ae1e9922bbd "net: iptunnel: prevent...

CLSA-2024-1713791075 Fix of 12 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-23307 - md/raid5: fix atomicity violation in raid5cachecount CVE-url: https://ubuntu.com/security/CVE-2021-46932 - Input: appletouch - initialize work before device registration CVE-url: https://ubuntu.com/security/CVE-2021-46936 - net: fix...

CLSA-2024-1713790844 Fix of 12 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-23307 - md/raid5: fix atomicity violation in raid5cachecount CVE-url: https://ubuntu.com/security/CVE-2021-46932 - Input: appletouch - initialize work before device registration CVE-url: https://ubuntu.com/security/CVE-2021-46936 - net: fix...

CVE-2024-26641

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv syzbot found ip6tnlrcv could access unitiliazed data 1. Call pskbinetmaypull to fix this, and initialize ipv6h variable after this call as it can change skb-head. 1 BUG: KMSA...

UBUNTU-CVE-2024-26633

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: fix NEXTHDRFRAGMENT handling in ip6tnlparsetlvenclim syzbot pointed out 1 that NEXTHDRFRAGMENT handling is broken. Reading fragoff can only be done if we pulled enough bytes to skb-head. Currently we might access...