mm/page_alloc: clear page->private in free_pages_prepare()

🔗 CVE IDs covered (1)

🎯 Affected products5

• azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
• azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
• azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
• azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
• azl3 kernel 6.6.143.1-1 on Azure Linux 3.0

🔗 References (1)

• advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43303