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@@ -283,6 +283,8 @@ Subscribe to [@linkersec](https://t.me/linkersec) on Telegram for highlights.
 
 [2021: "CVE-2021-3609: CAN BCM local privilege escalation"](https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-3609/cve-2021-3609.md) [article] [[announcement](https://www.openwall.com/lists/oss-security/2021/06/19/1)] [CVE-2021-3609]
 
+[2021: "Blue Klotski" (CVE-2021-3573) and the story for fixing](https://f0rm2l1n.github.io/2021-07-23-Blue-Klotski/) [article] [[announcement](https://www.openwall.com/lists/oss-security/2021/06/08/2)]
+
 [2021: "SSD Advisory – OverlayFS PE"](https://ssd-disclosure.com/ssd-advisory-overlayfs-pe/) [article] [CVE-2021-3493]
 
 [2021: "[BugTales] A Nerve-Racking Bug Collision in Samsung's NPU Driver" by Gyorgy Miru](https://labs.taszk.io/articles/post/bug_collision_in_samsungs_npu_driver/) [article] [CVE-2020-28343, SVE-2020-18610]