CVE-2023-1077

CVE Details

Release Date:	2023-02-06
Impact:	Moderate	What is this?

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.

See more information about CVE-2023-1077 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.0
Vector String:	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Version:	3.0
Attack Vector:	Local
Attack Complexity:	High
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	High
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 6 (kernel-uek)	ELSA-2024-12110	2024-02-01
Oracle Linux version 7 (kernel-uek)	ELSA-2024-12110	2024-02-01
Oracle Linux version 7 (kernel-uek)	ELSA-2024-12150	2024-02-12
Oracle VM version 3 (kernel-uek)	OVMSA-2024-0002	2024-03-01