CVE-2026-43448

A flaw was found in the Linux kernel's nvme-pci driver. A race condition exists in the nvme_poll_irqdisable() function, where the device can be concurrently disabled by nvme_reset_work(). This can lead to an unbalanced interrupt (IRQ) enable operation, resulting in a kernel warning. This issue may cause system instability or a denial of service (DoS) condition.

Moderate: A race condition in the Linux kernel's nvme-pci driver can lead to an unbalanced interrupt enable operation. This flaw, which requires specific timing to trigger, may result in a kernel warning, potentially causing system instability or a denial of service on affected Red Hat Enterprise Linux systems utilizing NVMe devices.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.