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Overview
SSD provides the knowledge, experience and tools needed to find and disclose vulnerabilities and advanced attack vectors.
News
Linux Bridge STP Timer Use-After-Free
Summary A use-after-free vulnerability in the Linux kernel bridge (net/bridge) Spanning Tree Protocol (STP) implementation. A bridge that is administratively down while kernel STP is enabled, together with a port driven into the LEARNING state, arms perio
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LPE via refcount imbalance in the af_unix of Ubuntu's Kernel
Affected Versions Vendor Response The vendor has released an updated kernel on the 18th of September Credit The vulnerability was disclosed during our TyphoonPWN 2025 Linux category and won first place. Vulnerability Details The vulnerability is caused by
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Google Chrome RCE (no sandbox) via CanonicalEquality::EqualValueType()
Affected Version CanonicalEquality::EqualValueType nullity check bug All Chrome builds having the ValueType refactoring commit 44171ac - M135 and above in stable channel. Prior to the commit, CanonicalEquality::EqualValueType() had a ValueKind check that
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SSD Advisory - Linux Kernel Pipapo Set Double Free LPE
Summary A critical double free vulnerability in the pipapo set module of the Linux kernel's NFT subsystem has been discovered. An unprivileged attacker can exploit this vulnerability by sending a specially crafted netlink message, triggering double-free e
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SSD Advisory - Zyxel VPN Series Pre-auth Remote Command Execution
Summary Chaining of three vulnerabilities allows unauthenticated attackers to execute arbitrary command with root privileges on Zyxel VPN firewall (VPN50, VPN100, VPN300, VPN500, VPN1000). Due to recent attack surface changes in Zyxel, the chain described
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