U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

NOTICE UPDATED - May, 29th 2024

The NVD has a new announcement page with status updates, news, and how to stay connected!

CVE-2024-27437 Detail

Description

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Disable auto-enable of exclusive INTx IRQ Currently for devices requiring masking at the irqchip for INTx, ie. devices without DisINTx support, the IRQ is enabled in request_irq() and subsequently disabled as necessary to align with the masked status flag. This presents a window where the interrupt could fire between these events, resulting in the IRQ incrementing the disable depth twice. This would be unrecoverable for a user since the masked flag prevents nested enables through vfio. Instead, invert the logic using IRQF_NO_AUTOEN such that exclusive INTx is never auto-enabled, then unmask as required.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
https://git.kernel.org/stable/c/139dfcc4d723ab13469881200c7d80f49d776060
https://git.kernel.org/stable/c/26389925d6c2126fb777821a0a983adca7ee6351
https://git.kernel.org/stable/c/2a4a666c45107206605b7b5bc20545f8aabc4fa2
https://git.kernel.org/stable/c/3b3491ad0f80d913e7d255941d4470f4a4d9bfda
https://git.kernel.org/stable/c/561d5e1998d58b54ce2bbbb3e843b669aa0b3db5
https://git.kernel.org/stable/c/b7a2f0955ffceffadfe098b40b50307431f45438
https://git.kernel.org/stable/c/bf0bc84a20e6109ab07d5dc072067bd01eb931ec
https://git.kernel.org/stable/c/fe9a7082684eb059b925c535682e68c34d487d43
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Weakness Enumeration

CWE-ID CWE Name Source

Change History

6 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-27437
NVD Published Date:
04/05/2024
NVD Last Modified:
06/25/2024
Source:
kernel.org