CVE-2024-41027

CVE Details

Release Date:	2024-07-29
Impact:	Low	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nFix userfaultfd_api to return EINVAL as expected\nCurrently if we request a feature that is not set in the Kernel config we\nfail silently and return all the available features. However, the man\npage indicates we should return an EINVAL.\nWe need to fix this issue since we can end up with a Kernel warning should\na program request the feature UFFD_FEATURE_WP_UNPOPULATED on a kernel with\nthe config not set with this feature.\n[ 200.812896] WARNING: CPU: 91 PID: 13634 at mm/memory.c:1660 zap_pte_range+0x43d/0x660\n[ 200.820738] Modules linked in:\n[ 200.869387] CPU: 91 PID: 13634 Comm: userfaultfd Kdump: loaded Not tainted 6.9.0-rc5+ #8\n[ 200.877477] Hardware name: Dell Inc. PowerEdge R6525/0N7YGH, BIOS 2.7.3 03/30/2022\n[ 200.885052] RIP: 0010:zap_pte_range+0x43d/0x660

See more information about CVE-2024-41027 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:	0.0
Vector String:	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	Low
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	None

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel-uek)	ELSA-2024-12618	2024-09-12
Oracle Linux version 9 (kernel-uek)	ELSA-2024-12618	2024-09-12