CVE-2024-26810

CVE Details

Release Date:	2024-04-05
Impact:	Moderate	What is this?

Description

In the Linux kernel, the following vulnerability has been resolved:\nvfio/pci: Lock external INTx masking ops\nMask operations through config space changes to DisINTx may race INTx\nconfiguration changes via ioctl. Create wrappers that add locking for\npaths outside of the core interrupt code.\nIn particular, irq_type is updated holding igate, therefore testing\nis_intx() requires holding igate. For example clearing DisINTx from\nconfig space can otherwise race changes of the interrupt configuration.\nThis aligns interfaces which may trigger the INTx eventfd into two\ncamps, one side serialized by igate and the other only enabled while\nINTx is configured. A subsequent patch introduces synchronization for\nthe latter flows.

See more information about CVE-2024-26810 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:	4.4
Vector String:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Version:	3.1
Attack Vector:	Local
Attack Complexity:	Low
Privileges Required:	High
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel)	ELSA-2024-5101	2024-08-08
Oracle Linux version 9 (kernel)	ELSA-2024-5928	2024-08-28