What is CVE-2026-43319?

CVE-2026-43319 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. spi: spidev: fix lock inversion between spi_lock and buf_lock

Which CVE IDs does CVE-2026-43319 cover?

CVE-2026-43319 covers the following CVE IDs: CVE-2026-43319. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43319?

CVE-2026-43319 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-43319?

CVE-2026-43319 affects 1 product, including: azl3 kernel 6.6.143.1-1 on Azure Linux 3.0.

CVE-2026-43319MediumCVSS 5.5

spi: spidev: fix lock inversion between spi_lock and buf_lock

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-43319 →

🎯 Affected products1

azl3 kernel 6.6.143.1-1 on Azure Linux 3.0

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43319