CVE-2023-52859

CVE Details

Release Date:	2024-05-21
Impact:	Moderate	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nperf: hisi: Fix use-after-free when register pmu fails\nWhen we fail to register the uncore pmu, the pmu context may not been\nallocated. The error handing will call cpuhp_state_remove_instance()\nto call uncore pmu offline callback, which migrate the pmu context.\nSince that's liable to lead to some kind of use-after-free.\nUse cpuhp_state_remove_instance_nocalls() instead of\ncpuhp_state_remove_instance() so that the notifiers don't execute after\nthe PMU device has been failed to register.

See more information about CVE-2023-52859 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:	6.0
Vector String:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	High
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14