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CVE-2026-90007

HIGHCVSS 7.8/10

Last modified

CVE-2026-90007 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Use rollback index when freeing MSI-X vectors pm8001_request_msix() unwinds previously registered handlers with free_irq() when request_irq() fails. The rollback loop uses the failing index i for every iteration instead of the already registered vector index j. That passes the wrong IRQ/dev_id pair to free_irq() and leaves the earlier handlers installed.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Use rollback index when freeing MSI-X vectors pm8001_request_msix() unwinds previously registered handlers with free_irq() when request_irq() fails. The rollback loop uses the failing index i for every iteration instead of the already registered vector index j. That passes the wrong IRQ/dev_id pair to free_irq() and leaves the earlier handlers installed. Use j for both pci_irq_vector() and the matching irq_vector entry in the rollback loop.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= a76037ff3479ad333a2505061915f7a21e7f3fb6, < f39e3ca1f688d7c08954a0794e9bf1e279c83b15; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < a980dec7c69990e4f119bcf6a2ea093d1c4975e8; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < 0205db768570f9a46b20912afa581a0c7a63d8b7; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < 2853ce9c88e0e6dd575f95f28b3a8c2b27164115; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < fb22a8d2f3ac6665cc8bee197096b6675cac1a9f; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < dd817463c9b42a3a9e23d15b86c6c77a6cfb809d; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < e20b16aa3b49f9db5510940740255a987e6f2a6f; >= a76037ff3479ad333a2505061915f7a21e7f3fb6, < 3f92a64545165bdbb36dee8fa35626b295463313
LinuxLinux4.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-90007?
In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Use rollback index when freeing MSI-X vectors pm8001_request_msix() unwinds previously registered handlers with free_irq() when request_irq() fails. The rollback loop uses the failing index i for every iteration instead of the already registered vector index j. That passes the wrong IRQ/dev_id pair to free_irq() and leaves the earlier handlers installed. Use j for both pci_irq_vector() and the matching irq_vector entry in the rollback loop.
How severe is CVE-2026-90007?
CVE-2026-90007 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-90007?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST