PT-2026-72821

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check return value of nvmet tcp set queue sock The return value of nvmet tcp set queue sock is currently ignored in nvmet tcp tls handshake done. If it fails e.g., due to the socket not being in TCP ESTABLISHED state,...

PT-2026-72822

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix page fragment cache leak in error path In nvmet tcp alloc queue, when a connection is closed during the allocation process e.g., nvmet tcp set queue sock returns -ENOTCONN, the error handling jumps to out destroy s...

Linux Distros Unpatched Vulnerability : CVE-2026-74385

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nvmet-tcp: check return value of nvmettcpsetqueuesock The return value of nvmettcpsetqueuesock is currently ignored in nvmettcptlshandshakedone. If it fails e.g...

Linux Distros Unpatched Vulnerability : CVE-2026-74268

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in...

Linux Distros Unpatched Vulnerability : CVE-2026-74386

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nvmet-tcp: fix page fragment cache leak in error path In nvmettcpallocqueue, when a connection is closed during the allocation process e.g., nvmettcpsetqueuesoc...

PT-2026-72431

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description SELinux failed to verify connect-related permissions when TCP Fast Open was utilized. This occurred because the system was not updated to ensure these checks were performed during the...

PT-2026-72409

In the Linux kernel, the following vulnerability has been resolved: sunrpc: wait for in-flight TLS handshake callback when cancel loses race When wait for completion interruptible timeout in svc tcp handshake returns 0 timeout or -ERESTARTSYS signal and tls handshake cancel then returns false,...

PT-2026-72189

In the Linux kernel, the following vulnerability has been resolved: ipvs: fix more places with wrong ipv6 transport offsets Sashiko reports for more incorrect IPv6 transport offsets. The app code for TCP was assuming IPv4 network header even after the ipvsh argument was provided. This can cause...

PT-2026-72327

In the Linux kernel, the following vulnerability has been resolved: tcp: defer md5sig info kfree past RCU grace period in tcp connect The md5+ao reconciliation in tcp connect net/ipv4/tcp output.c has two symmetric branches: if needs md5 tcp ao destroy socksk, false; else if needs ao tcp clear md...

USN-8548-2: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8530-2: Linux kernel (HWE) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8530-2 linux-aws-hwe vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8630-2 linux-lowlatency, linux-lowlatency-hwe-6.8, linux-nvidia-tegra, 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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructur...

OESA-2026-3334 unbound security update

Unbound is a validating, recursive, caching DNS resolver. It is designed to be fast and lean and incorporates modern features based on open standards. To help increase online privacy, Unbound supports DNS-over-TLS which allows clients to encrypt their communication. Unbound is available for most...

CVE-2026-18368

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

CVE-2026-18368

CVE-2026-18368 Explanation: Teltonika Networks RUTOS devices are affected via the modbusgwd component. The vulnerability arises from improper handling of Modbus TCP request data, enabling a remote, unauthenticated attacker with access to the affected service to trigger a heap-based buffer overflo...

CVE-2026-18368 Heap buffer overflow in Modbusgwd

In Teltonika Networks RUTOS devices, a vulnerability exists in modbusgwd due to improper handling of Modbus TCP request data. A remote, unauthenticated attacker with access to the affected service could trigger a heap-based buffer overflow, resulting in a denial of service...

VulnCheck KEV: CVE-2026-26190

Milvus is an open-source vector database built for generative AI applications. Prior to 2.5.27 and 2.6.10, Milvus exposes TCP port 9091 by default, which enables authentication bypasses. The /expr debug endpoint uses a weak, predictable default authentication token derived from etcd.rootPath...

DEBIAN-CVE-2026-73500

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.5.33, 3.6.14, and 3.7.1, a network attacker who can reach an etcd TLS listener can open many TCP connections and never send a ClientHello. In client/pkg/transport/listenertls.go, each connection handle...