CVE-2026-46099

The CVE-2026-46099 entry describes a use-after-free race in Linux kernel IPv6 handling for seg6 and rpl lightweight tunnels. A NOREF destination cached during ip6_route_input() can be freed by a concurrent FIB lookup on a shared nexthop under PREEMPT_RT, leading to a WARN or potential instability...

CVE-2026-45847 net: remove WARN_ON_ONCE when accessing forward path array

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARNONONCE if userspace manages to build a sufficiently long forward path. Remove it...

CVE-2026-46099

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels seg6inputcore and rplinput call ip6routeinput which sets a NOREF dst on the skb, then pass it to dstcachesetip6 invoking dsthold unconditionally. On PREEMPTRT, ksoftirqd is...

Ella Core 安全漏洞

Ella Core is an open-source solution developed by Ella Networks for use in private networks as a 5G core network solution. Versions of Ella Core prior to 1.10.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of verification of whether the...

Cloud Atlas activity in the second half of 2025 and early 2026: new tools and a new payload

In 2025, we observed pervasive SSH tunnel activity, which has remained active into 2026, affecting many government organizations and commercial companies in Russia and Belarus. Behind some of this activity is Cloud Atlas, a group we have known since 2014. During our investigation, we identified n...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: tunnels: Annotations were added for lockless accesses to dev-neededheadroom. IP tunnels can apparently update dev-neededheadroom during their xmit path. This patch addresses issues related to three types of tunnels xmit, ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the tunnels section, there’s no need to assume that the macheader is set when using skbtunnelcheckpmtu. The recently added debug in commit f9aefd6b2aa3 “net: warn if mac header was not set” identified a bug in...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Tunnels: Fixed out-of-bounds access issues when generating IPv6 PMTU errors. If the ICMPv6 error is generated using a non-linear skb, the following issues arise: BUG: KASAN: Out-of-bounds access in docsum+0x220/0x240 Reading o...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Tunnels: Fixed the crash when generating IPV4 PMTU errors due to KASAN. If we attempt to emit an ICMP error in response to a non-linear SKB, we encounter the following issue: Bug: KASAN: Out-of-bounds access in...

Moderate: Red Hat Security Advisory: libsoup security update

An update for libsoup is now available for Red Hat Enterprise Linux 9. 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 for each vulnerability from th...

HAX open-apis: Credential Theft via Server-Side Request Forgery (SSRF) in open-apis

Summary Multiple functions conduct substring-only matching to validate hostnames to which basic authorization should be sent. An attacker can append the matched substrings to an attacker-controlled endpoint and capture authentication. Details api/services/website/cacheAddress.js,...

Kimsuky targets organizations with PebbleDash-based tools

Over the past few months, we have conducted an in-depth analysis of specific activity clusters of Kimsuky aka APT43, Ruby Sleet, Black Banshee, Sparkling Pisces, Velvet Chollima, and Springtail, a prolific Korean-speaking threat actor. Our research revealed notable tactical shifts throughout...

EUVD-2026-28613

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

UBUNTU-CVE-2026-43329

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: ethernet mangling 4 payload actions, 2 for each ethernet address SNAT 4 payload actions DNAT ...

PT-2026-38980

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the netfilter flowtable component where the system fails to strictly check for the maximum number of supported actions. In IPv6 setups, the required number of hardware...

OESA-2026-2028 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. When establishing HTTPS tunnels through a configur...

OESA-2026-2026 libsoup security update

libsoup is an HTTP client/server library for GNOME. It uses GObjects and the glib main loop, to integrate well with GNOME applications, and also has a synchronous API, for use in threaded applications. Security Fixes: A flaw was found in libsoup. When establishing HTTPS tunnels through a configur...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from prematurely releasing network device references when the openvswitch tunnel devices are destroyed...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013565)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013565 advisory. In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006928)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006928 advisory. In the Linux kernel, the following vulnerability has been resolved: tunnels: fix kasan splat when generating ipv4 pmtu error If we try to emit an icmp error in...