UBUNTU-CVE-2025-59691

PureVPN client applications on Linux through September 2025 allow IPv6 traffic to leak outside the VPN tunnel upon network events such as Wi-Fi reconnect or system resume. In the CLI client, the VPN auto-reconnects and claims to be connected, but IPv6 traffic is no longer routed or blocked. In th...

Suricata IDPE 8.0.1

Suricata is a network intrusion detection and prevention engine developed by the Open Information Security Foundation and its supporting vendors. The engine is multi-threaded and has native IPv6 support. It's capable of loading existing Snort rules and signatures and supports the Barnyard and...

USN-7755-2: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - SPI subsystem; - USB core drivers; - NILFS2 file system; - IPv6 networking; - Network traffic...

USN-7755-2 linux-fips, linux-azure-fips, linux-gcp-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - SPI subsystem; - USB core drivers; - NILFS2 file system; - IPv6 networking; - Network traffic...

USN-7755-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Media drivers; - SPI subsystem; - USB core drivers; - NILFS2 file system; - IPv6 networking; - Network traffic...

kernel: net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6_CSUM

In the Linux kernel, the following vulnerability has been resolved: net: gso: Forbid IPv6 TSO with extensions on devices with only IPV6CSUM When performing Generic Segmentation Offload GSO on an IPv6 packet that contains extension headers, the kernel incorrectly requests checksum offload if the...

ALSA-2025:15740 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: mcast: Delay put pmc-idev in mlddeldelrec CVE-2025-38550 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related...

kernel: ipv6: mcast: extend RCU protection in igmp6_send()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: extend RCU protection in igmp6send igmp6send can be called without RTNL or RCU being held. Extend RCU protection so that we can safely fetch the net pointer and avoid a potential UAF. Note that we no longer can use...

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 GSO stack not properly disabling IPv6 checksum offloading, which could lead to unsupported device...

SUSE CVE-2025-39702

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this...

CVE-2025-39702

CVE-2025-39702 is a Linux kernel issue where ipv6: sr: Fix MAC comparison to be constant-time addresses timing-attack risk. Connected documents confirm kernels across multiple distributions (e.g., kernel6.12 line for Amazon Linux ALAS, Debian LTS DLA, Astralinux, Mariner/CBL) are affected in vers...

UBUNTU-CVE-2025-38638

In the Linux kernel, the following vulnerability has been resolved: ipv6: add a retry logic in net6rtnotify inet6rtnotify can be called under RCU protection only. This means the route could be changed concurrently and rt6fillnode could return -EMSGSIZE. Re-size the skb when this happens and retry...

CVE-2025-38638

In the Linux kernel, the following vulnerability has been resolved: ipv6: add a retry logic in net6rtnotify inet6rtnotify can be called under RCU protection only. This means the route could be changed concurrently and rt6fillnode could return -EMSGSIZE. Re-size the skb when this happens and retry...

Tenda AC6 安全漏洞

Tenda AC6 is a dual-band wireless router from Tenda that supports IPv4 and IPv6 protocols and utilizes the 802.11ac/n wireless standard to provide a wireless transmission rate of 1167Mbps. Tenda AC6 suffers from a buffer overflow vulnerability, which originates from the formSetCfm function failin...

Tenda AC6 V5.0 HTTP Header Parsing denial of service vulnerability

Talos Vulnerability Report TALOS-2025-2166 Tenda AC6 V5.0 HTTP Header Parsing denial of service vulnerability August 20, 2025 CVE Number CVE-2025-30256 SUMMARY A denial of service vulnerability exists in the HTTP Header Parsing functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted...

DEBIAN-CVE-2025-38587

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6infousesdev fib6infousesdev seems to rely on RCU without an explicit protection. Like the prior fix in rt6nlmsgsize, we need to make sure fib6delroute or fib6addrt2node have not removed the...

DEBIAN-CVE-2025-38588

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent infinite loop in rt6nlmsgsize While testing prior patch, I was able to trigger an infinite loop in rt6nlmsgsize in the following place: listforeachentryrcusibling, &f6i-fib6siblings, fib6siblings...

CVE-2025-38589

In the Linux kernel, the following vulnerability has been resolved: neighbour: Fix null-ptr-deref in neighflushdev. kernel test robot reported null-ptr-deref in neighflushdev. 0 The cited commit introduced per-netdev neighbour list and converted neighflushdev to use it instead of the global hash...

CVE-2025-38588

CVE-2025-38588 affects the Linux kernel IPv6 path: an infinite loop in rt6_nlmsg_size() due to list_del_rcu() interactions with rt6_nh structures, potentially causing denial of service. The patch reworks the loop by restarting when f6i->fib6_nsiblings is zero, and kernel live patches/advisorie...

CVE-2025-38587 ipv6: fix possible infinite loop in fib6_info_uses_dev()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible infinite loop in fib6infousesdev fib6infousesdev seems to rely on RCU without an explicit protection. Like the prior fix in rt6nlmsgsize, we need to make sure fib6delroute or fib6addrt2node have not removed the...