Published on: 2025-07-12 06:44:51
Branch Privilege Injection (CVE-2024-45332) brings back the full might of branch target injection attacks (Spectre-BTI) on Intel. Intel’s hardware mitigations against these types of attacks have held their ground for almost 6 years. In our work, we demonstrate how these mitigations can be broken due to a race condition in Intel CPUs. Our Branch Privilege injection attack is made possible by the following two main insights: Branch predictors on Intel processors are updated asynchronously to the
Keywords: branch intel predictor privilege security
Find related items on AmazonPublished on: 2025-07-12 12:56:57
Today is Microsoft's May 2025 Patch Tuesday, which includes security updates for 72 flaws, including five actively exploited and two publicly disclosed zero-day vulnerabilities. This Patch Tuesday also fixes six "Critical" vulnerabilities, five being remote code execution vulnerabilities and another an information disclosure bug. The number of bugs in each vulnerability category is listed below: 17 Elevation of Privilege Vulnerabilities 2 Security Feature Bypass Vulnerabilities 28 Remote Co
Keywords: 2025 exploited microsoft privileges vulnerability
Find related items on AmazonPublished on: 2025-07-12 20:00:00
A new "Branch Privilege Injection" flaw in all modern Intel CPUs allows attackers to leak sensitive data from memory regions allocated to privileged software like the operating system kernel. Typically, these regions are populated with information like passwords, cryptographic keys, memory of other processes, and kernel data structures, so protecting them from leakage is crucial. According to ETH Zurich researchers Sandro Rüegge, Johannes Wikner, and Kaveh Razavi, Spectre v2 mitigations held f
Keywords: branch intel lake privilege researchers
Find related items on AmazonPublished on: 2025-09-21 15:07:44
oss-sec mailing list archives Three bypasses of Ubuntu's unprivileged user namespace restrictions Qualys Security Advisory Three bypasses of Ubuntu's unprivileged user namespace restrictions ======================================================================== Contents ======================================================================== Summary Bypass via aa-exec Bypass via busybox Bypass via LD_PRELOAD Acknowledgments Timeline (advisory sent to the Ubuntu Security Team on January 15, 2
Keywords: namespace namespaces ubuntu unprivileged user
Find related items on AmazonPublished on: 2025-10-13 23:24:00
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Keywords: apple mosyle privileges security work
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