CVE-2026-23304

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to loopback in ip6rtpcpualloc -...

CVE-2026-23304 ipv6: fix NULL pointer deref in ip6_rt_get_dev_rcu()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to loopback in ip6rtpcpualloc -...

CVE-2026-23304

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal with this, but we lost the fallback to loopback in ip6rtpcpualloc -...

CVE-2026-23304

The connected advisories confirm CVE-2026-23304 affects the Linux kernel IPv6 routing code. Root cause: l3mdev_master_dev_rcu() can return NULL when a slave device is un-slaved from a VRF, and ip6_rt_get_dev_rcu() used by ip6_rt_pcpu_alloc() did not fall back to loopback, causing a NULL pointer d...

Linux Distros Unpatched Vulnerability : CVE-2026-23304

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: fix NULL pointer deref in ip6rtgetdevrcu l3mdevmasterdevrcu can return NULL when the slave device is being un-slaved from a VRF. All other callers deal wi...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a classification error when using IPv4 routing to reference an IPv6 next hop. This error can lead to nu...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from failing to handle the unbinding of slave devices from the VRF context. This vulnerability may lead to...

SUSE-SU-2026:20857-1 Security update for the Linux Kernel (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: - CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer bsc1257118. - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to...

SUSE-SU-2026:20896-1 Security update for the Linux Kernel RT (Live Patch 10 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

SUSE-SU-2026:20852-1 Security update for the Linux Kernel RT (Live Patch 10 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-34.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

SUSE-SU-2026:20895-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-33.1 fixes various security issues The following security issues were fixed: - CVE-2025-38488: smb: client: fix use-after-free in cryptmessage when using async crypto bsc1247240. - CVE-2025-40258: mptcp: fix race condition in mptcpschedulewor...

SUSE-SU-2026:20847-1 Security update for the Linux Kernel RT (Live Patch 5 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-25.1 fixes various security issues The following security issues were fixed: - CVE-2025-21738: ata: libata-sff: ensure that we cannot write outside the allocated buffer bsc1257118. - CVE-2025-38159: wifi: rtw88: fix the 'para' buffer size to...

Security update for the Linux Kernel (Live Patch 43 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.173 fixes various security issues The following security issues were fixed: CVE-2022-50697: mrp: introduce active flags to prevent UAF when applicant uninit bsc1255595. CVE-2023-53781: smc: Fix use-after-free in tcpwritetimerhandl...

NiceGUI 安全漏洞

NiceGUI is an easy-to-use, Python-based UI framework developed under the NiceGUI open source project. Versions of NiceGUI prior to 3.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the media routing functions in app.addmediafile and app.addmediafiles, which allowed...

Windows Routing and Remote Access Service integer overflow

Added: 03/23/2026 Background The Windows Routing and Remote Access Service supports remote user or site-to-site connectivity by using VPN or dial-up connections. Problem An integer overflow vulnerability in the Windows Routing and Remote Access Service allow command execution when a domain-joined...

CTF As a Service: A Reproducible and Scalable Infrastructure for Cybersecurity Training

Capture The Flag CTF competitions have established themselves as a highly effective pedagogical tool in cybersecurity education, offering students hands-on experience in realistic attack and defense scenarios. However, organizing and hosting these events requires considerable infrastructure effor...

Windows Routing and Remote Access Service integer overflow

Added: 03/23/2026 Background The Windows Routing and Remote Access Service supports remote user or site-to-site connectivity by using VPN or dial-up connections. Problem An integer overflow vulnerability in the Windows Routing and Remote Access Service allow command execution when a domain-joined...

SUSE-SU-2026:0943-1 Security update for the Linux Kernel (Live Patch 6 for SUSE Linux Enterprise 15 SP7 RT)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.22 fixes various security issues The following security issues were fixed: - CVE-2025-40258: mptcp: fix race condition in mptcpschedulework bsc1255053. - CVE-2025-40284: Bluetooth: MGMT: cancel mesh send timer when hdev removed...

EUVD-2026-13972

OpenClaw versions prior to 2026.2.21 BlueBubbles webhook handler contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers can bypass webhook authentication by exploiting the loopback/proxy...

CVE-2026-32896

The BlueBubbles webhook handler in OpenClaw versions prior to 2026.2.21 contains a passwordless fallback authentication path that allows unauthenticated webhook events in certain reverse-proxy or local routing configurations. Attackers can bypass webhook authentication by exploiting the...