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LIN1021-5322 : Security Advisory - linux - CVE-2023-1077

Created: Feb 27, 2023    Updated: Apr 6, 2023
Resolved Date: Mar 20, 2023
Found In Version: 10.21.20.1
Fix Version: 10.21.20.17
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Kernel

Description

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.

https://nvd.nist.gov/vuln/detail/CVE-2023-1077

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