CRITICAL 9.8 Microsoft
CVE-2026-52947
net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove
Microsoft Security Update 2026-Jun: net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove
Affected Products
- azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52947
- https://nvd.nist.gov/vuln/detail/CVE-2026-52947
This critical severity vulnerability with a CVSS score of 9.8 was published on 2026-06-09 via Microsoft. Affected: azl3 kernel 6.6.141.1-1 on Azure Linux 3.0.
Risk Timeline
CVE Disclosed2026-06-09 · 145 days ago
Remediation Resources
Official Advisory
msrc.microsoft.com/update-guide/vulnerability/CVE-2026-52947NVD / MITRE
nvd.nist.gov/vuln/detail/CVE-2026-52947Related Vulnerabilities
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