High severity8.8NVD Advisory· Published Jun 8, 2022· Updated Jun 17, 2026
CVE-2021-36710
CVE-2021-36710
Description
ToaruOS 1.99.2 is affected by incorrect access control via the kernel. Improper MMU management and having a low GDT address allows it to be mapped in userland. A call gate can then be written to escalate to CPL 0.
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Affected products
2- ToaruOS/ToaruOSdescription
Patches
Vulnerability mechanics
References
1- github.com/mehsauce/kowasuos/blob/master/exploits/kowasu-sysfunc-strikes-back.cnvdExploitThird Party Advisory
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