[binary] A Windows UAF, Branch Prediction Bugs, and an io_uring Exploit

What this episode covers

Links and vulnerability summaries for this episode are available at: https://dayzerosec.com/podcast/a-windows-uaf-branch-prediction-bugs-and-an-io-uring-exploit.html This time as we get side tracked with a couple discussions, first about security through obscurity, secondly about the nvidia leaks. We also have our usual mix of vulnerabilities this week, a cool exploit in the Linux kernel, a use-after-free in Windows Common Logging File System, and some speculative execution issues. [00:00:43] Spot the Vuln - Do You Even HMAC? [00:05:49] Put an io_uring on it: Exploiting the Linux Kernel [00:26:18] Discussion: Security through Obscurity in the Linux Kernel [00:34:20] Exploiting a use-after-free in Windows Common Logging File System (CLFS) [00:43:57] The AMD Branch (Mis)predictor Part 2: Where No CPU has Gone Before [CVE-2021-26341] [00:56:20] Branch History Injection [01:04:25] Chat Question: About the Nvidia Leak The DAY[0] Podcast episodes are streamed live on Twitch (@dayzerosec) twice a week: Mondays at 3:00pm Eastern (Boston) we focus on web and more bug bounty style vulnerabilities Tuesdays at 7:00pm Eastern (Boston) we focus on lower-level vulnerabilities and exploits. The Video archive can be found on our Youtube channel: https://www.youtube.com/c/dayzerosec You can also join our discord: https://discord.gg/daTxTK9 Or follow us on Twitter (@dayzerosec) to know when new releases are coming.

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