In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.

Published: 2023-03-27

CVSS: 7.0

CVSS Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Download Exploit for CVE-2023-1077 here:

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https://tatramed.sk/exploit-1049-cve-2021-26857/

https://tatramed.sk/exploit-1073-cve-2025-8875/

https://tatramed.sk/exploit-43-cve-2025-11152/