CVE-2026-31680 net: ipv6: flowlabel: defer exclusive option free until RCU teardown

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: flowlabel: defer exclusive option free until RCU teardown ip6flseqshow walks the global flowlabel hash under the seq-file RCU read-side lock and prints fl-opt-optnflen when an option block is present. Exclusive...

CVE-2026-31669

A flaw was found in the Linux kernel's Multipath TCP MPTCP implementation. Due to incorrect memory allocation for IPv6 subflow child sockets, a use-after-free vulnerability exists. A remote attacker could exploit this by triggering concurrent lookups in the kernel's hash table, potentially leadin...

Exploit for Race Condition in Microsoft

🔴 CVE-2026-33827: Windows TCP/IP Remote Code Execution RCE...

[SECURITY] Fedora 43 Update: perl-Net-CIDR-Lite-0.23-1.fc43

Faster alternative to Net::CIDR when merging a large number of CIDR address ranges. Works for IPv4 and IPv6 addresses...

Revisiting and Expanding the IPv6 Network Periphery: Global-Scale Measurement and Security Analysis

As IPv6 deployment accelerates, understanding the evolving security posture of network peripheries becomes increasingly important. A DSN 2021 study introduced the first large-scale discovery of IPv6 network peripheries, uncovering risks like service exposure and routing loops. However, its scope...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013047)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013047 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has...

RHEL 9 : git-lfs (RHSA-2026:9436)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:9436 advisory. Git Large File Storage LFS replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing th...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011135)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011135 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: reset link-local header on ipv6 recv path Bluetooth 6lowpan.c netdev has...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

net/url: Incorrect parsing of IPv6 host literals in net/url

The Go standard library function net/url.Parse insufficiently validated the host/authority component and accepted some invalid URLs by effectively treating garbage before an IP-literal as ignorable. The function should have rejected this as invalid...

RHEL 9 : grafana-pcp (RHSA-2026:9090)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:9090 advisory. The Grafana plugin for Performance Co-Pilot includes datasources for scalable time series from pmseries and Redis, live PCP metrics and bpftrace...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007231)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007231 advisory. In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv syzbot found ip6tnlrcv could access...

ALSA-2026:8456 Important: osbuild-composer security update

A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fixes: net/url:...

SUSE CVE-2026-40198

Net::CIDR::Lite versions before 0.23 for Perl does not validate IPv6 group count, which may allow IP ACL bypass. packipv6 does not check that uncompressed IPv6 addresses without :: have exactly 8 hex groups. Inputs like "abcd", "1:2:3", or "1:2:3:4:5:6:7" are accepted and produce packed values of...

CVE-2026-31415

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid overflows in ip6datagramsendctl Yiming Qian reported : I believe I found a locally triggerable kernel bug in the IPv6 sendmsg ancillary-data path that can panic the kernel via skbunderpanic local DoS. The core issue i...

UBUNTU-CVE-2026-31415

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid overflows in ip6datagramsendctl Yiming Qian reported : I believe I found a locally triggerable kernel bug in the IPv6 sendmsg ancillary-data path that can panic the kernel via skbunderpanic local DoS. The core issue i...

CVE-2026-31415

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid overflows in ip6datagramsendctl Yiming Qian reported : I believe I found a locally triggerable kernel bug in the IPv6 sendmsg ancillary-data path that can panic the kernel via skbunderpanic local DoS. The core issue i...

CVE-2026-31415

In the Linux kernel, the following vulnerability has been resolved: ipv6: avoid overflows in ip6datagramsendctl Yiming Qian reported : I believe I found a locally triggerable kernel bug in the IPv6 sendmsg ancillary-data path that can panic the kernel via skbunderpanic local DoS. The core issue i...

[SECURITY] Fedora 42 Update: libmicrohttpd-1.0.3-1.fc42

GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application. Key features that distinguish libmicrohttpd from other projects are: C library: fast and small API is simple, expressive and fully reentrant Implementation is http 1.1...