Import Source
https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-67175.json
JSON Data
https://api.test.osv.dev/v1/vulns/AZL-67175
Upstream
Published
2025-09-11T17:15:39Z
Modified
2026-04-01T05:21:09.079679Z
Summary
CVE-2025-39754 affecting package kernel 6.6.126.1-1
Details

In the Linux kernel, the following vulnerability has been resolved:

mm/smaps: fix race between smapshugetlbrange and migration

smapshugetlbrange() handles the pte without holdling ptl, and may be concurrenct with migration, leaing to BUGON in pfnswapentryto_page(). The race is as follows.

smapshugetlbrange migratepages hugeptepget removemigrationptes foliounlock pfnswapentryfolio BUGON

To fix it, hold ptl lock in smapshugetlbrange().

References

Affected packages

Azure Linux:3 / kernel

Package

Name
kernel
Purl
pkg:rpm/azure-linux/kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
6.6.126.1-1

Database specific

source
"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-67175.json"