CVE-2026-43340

medium Red Hat
EPSS Score
0.0%
Exploitation probability in 30 days
Top 93% most likely to be exploited
Published: May 8, 2026 (6 days ago)
Last Modified: May 8, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in the `comedi` subsystem of the Linux kernel. This vulnerability arises when a `comedi_device` is reattached to different low-level drivers using the `COMEDI_DEVCONFIG` ioctl command. A local user with appropriate privileges could exploit this by repeatedly attaching the device, leading to inconsistent spin-lock states. This inconsistency may cause system instability or unexpected behavior within the kernel.

CWE

CWE-909

Affected Products

Red Hat Enterprise Linux 10Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat Enterprise Linux 8Red Hat Enterprise Linux 9

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 lore.kernel.org