UBUNTU-CVE-2026-23302

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE/WRITEONCE annotations for UDP, TCP an...

CVE-2026-23302 net: annotate data-races around sk->sk_{data_ready,write_space}

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE/WRITEONCE annotations for UDP, TCP an...

CVE-2026-23302

Summary (CVE-2026-23302): The Linux kernel patch resolves a data-race in data-path pointers sk->sk_data_ready and sk->sk_write_space, where skmsg and possibly other layers could modify these pointers while others may read them concurrently. The fix adds corresponding READ_ONCE()/WRITE_ONCE(...

CVE-2026-23302 net: annotate data-races around sk->sk_{data_ready,write_space}

In the Linux kernel, the following vulnerability has been resolved: net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them concurrently. Add corresponding READONCE/WRITEONCE annotations for UDP, TCP an...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

Linux Distros Unpatched Vulnerability : CVE-2026-23302

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: annotate data-races around sk-skdataready,writespace skmsg and probably other layers are changing these pointers while other cpus might read them...

FreeBSD -- TCP: remotely exploitable DoS vector (mbuf leak)

Problem Description: When a challenge ACK is to be sent tcprespond constructs and sends the challenge ACK and consumes the mbuf that is passed in. When no challenge ACK should be sent the function returns and leaks the mbuf. Impact: If an attacker is either on path with an established TCP...

The vulnerability of the tcp_mtup_probe_success() function in the net/ipv4/tcp_input.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the tcpmtupprobesuccess function in the net/ipv4/tcpinput.c module of the Linux kernel is related to zero-division errors. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-32946

A flaw was found in Harden-Runner, a security agent for GitHub Actions runners. An attacker with existing code execution capabilities within a GitHub Actions workflow can bypass network egress policies, which are security measures designed to control outbound network connections. This bypass occu...

CVE-2026-32946

Harden-Runner (GitHub Actions security agent) contains a vulnerability in versions 2.15.1 and earlier that allows bypassing egress-policy: block network restrictions by using DNS queries over TCP. The underlying issue is that DNS over TCP is not adequately restricted when the allowed-endpoints li...

Harden-Runner 安全漏洞

Harden-Runner is a program open source by StepSecurity. It provides network exit filtering and runtime security for both GitHub-hosted and self-hosted runners. Harden-Runner versions 2.15.1 and earlier contained security vulnerabilities, which stemmed from an exploit that allowed DNS queries to...

CVE-2026-23247 tcp: secure_seq: add back ports to TS offset

In the Linux kernel, the following vulnerability has been resolved: tcp: secureseq: add back ports to TS offset This reverts 28ee1b746f49 "secureseq: downgrade to per-host timestamp offsets" tcptwrecycle went away in 2017. Zhouyan Deng reported off-path TCP source port leakage via SYN cookie...

CVE-2026-23247

In the Linux kernel, the following vulnerability has been resolved: tcp: secureseq: add back ports to TS offset This reverts 28ee1b746f49 "secureseq: downgrade to per-host timestamp offsets" tcptwrecycle went away in 2017. Zhouyan Deng reported off-path TCP source port leakage via SYN cookie...

kernel: sctp: avoid NULL dereference when chunk data buffer is missing

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk-skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not. Check for fraglist instead...

GO-2026-4594 Traefik: tcp router clears read deadlines before tls forwarding, enabling stalled handshakes (Slowloris DOS) in github.com/traefik/traefik

Traefik: tcp router clears read deadlines before tls forwarding, enabling stalled handshakes Slowloris DOS in github.com/traefik/traefik...

OpenClaw: Sandboxed /acp spawn requests could initialize host ACP sessions

Summary Sandboxed requester sessions could reach host-side ACP session initialization through /acp spawn. OpenClaw already blocked sessionsspawn runtime: "acp" from sandboxed sessions, but the slash-command path initialized ACP directly without applying the same host-runtime guard first. Affected...

openSUSE 16 Security Update : kernel RT (Live Patch 1 for SUSE Linux Enterprise 16) (openSUSE-SU-2026:20294-1)

The remote openSUSE 16 host has a package installed that is affected by a vulnerability as referenced in the openSUSE- SU-2026:20294-1 advisory. This update for the SUSE Linux Enterprise kernel 6.12.0-160000.6.1 fixes one security issue The following security issue was fixed: - CVE-2025-40186: tc...

CVE-2026-26999 Traefik: tcp router clears read deadlines before tls forwarding, enabling stalled handshakes (slowloris doS)

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing TLS handshake on TCP routers. When Traefik processes a TLS connection on a TCP router, the read deadline used to bound protocol sniffing is cleared befor...

Agentgateway is missing parameter sanitization in MCP to OpenAPI conversion

Summary When converting MCP tools/call request to OpenAPI request, input path, query, and header values are not sanitized. Details When using the MCP to OpenAPI feature, the proxy lacks proper sanitization of input parameters in the MCP call, allowing: Injection of additional path or query...

EUVD-2026-9471

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...