SUSE CVE-2025-71098

In the Linux kernel, the following vulnerability has been resolved: ip6gre: make ip6greheader robust Over the years, syzbot found many ways to crash the kernel in ip6greheader 1. This involves team or bonding drivers ability to dynamically change their dev-neededheadroom and/or dev-hardheaderlen ...

CVE-2025-71098

In the Linux kernel, the following vulnerability has been resolved: ip6gre: make ip6greheader robust Over the years, syzbot found many ways to crash the kernel in ip6greheader 1. This involves team or bonding drivers ability to dynamically change their dev-neededheadroom and/or dev-hardheaderlen ...

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...

CVE-2023-54265

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix an uninit variable access bug in ip6makeskb Syzbot reported a bug as following: ===================================================== BUG: KMSAN: uninit-value in archatomic64inc arch/x86/include/asm/atomic6464.h:88 inli...

Linux Distros Unpatched Vulnerability : CVE-2023-54265

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: Fix an uninit variable access bug in ip6makeskb Syzbot reported a bug as following: ===================================================== BUG: KMSAN:...

CVE-2023-54265

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix an uninit variable access bug in ip6makeskb Syzbot reported a bug as following: ===================================================== BUG: KMSAN: uninit-value in archatomic64inc arch/x86/include/asm/atomic6464.h:88 inli...

CVE-2023-54265

CVE-2023-54265 affects the Linux kernel: an uninit variable access in __ip6_make_skb() can occur when icmp6hdr is not in the skb’s linear region (notably with SOCK_RAW); the fix uses a local icmp6_type to carry the correct value across scenarios. Public advisories from multiple vendors (Red Hat, ...

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...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

Linux Distros Unpatched Vulnerability : CVE-2023-53821

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

RHEL 9 : kernel-rt (RHSA-2025:22087)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22087 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857...

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...

CVE-2025-40158

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6output Use RCU in ip6output in order to use dstdevrcu to prevent possible UAF. We can remove rcureadlock/rcureadunlock pairs from ip6finishoutput2. Mitigation Mitigation for this issue is either not available ...

EUVD-2025-124925

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6output Use RCU in ip6output in order to use dstdevrcu to prevent possible UAF. We can remove rcureadlock/rcureadunlock pairs from ip6finishoutput2...

UBUNTU-CVE-2025-40135

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6xmit Use RCU in ip6xmit in order to use dstdevrcu to prevent possible UAF...

CVE-2025-40158

CVE-2025-40158 concerns the Linux kernel IPv6 stack. The issue arises from improper RCU usage in ip6_output(), which attempted to use dst_dev_rcu() and, per the advisory, allows a potential UAF if the RCU handling is not correct. The description specifies that the fix is to use RCU in ip6_output(...