In the Linux kernel, the following vulnerability has been resolved:
mm/smaps: fix race between smaps_hugetlb_range and migration
smaps_hugetlb_range() handles the pte without holdling ptl, and may be
concurrenct with migration, leaing to BUG_ON in pfn_swap_entry_to_page().
The race is as follows.
smaps_hugetlb_range migrate_pages
huge_ptep_get
remove_migration_ptes
folio_unlock
pfn_swap_entry_folio
BUG_ON
To fix it, hold ptl lock in smaps_hugetlb_range().
References
Configurations
Configuration 1 (hide)
|
History
26 Nov 2025, 16:20
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
|
| First Time |
Linux
Linux linux Kernel |
|
| CWE | CWE-362 | |
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 4.7 |
| References | () https://git.kernel.org/stable/c/09fc018f48871123ad5dbd7b03c956580232ed76 - Patch | |
| References | () https://git.kernel.org/stable/c/2a1f3663974162b8f1e098196f557cfc1d160138 - Patch | |
| References | () https://git.kernel.org/stable/c/45d19b4b6c2d422771c29b83462d84afcbb33f01 - Patch | |
| References | () https://git.kernel.org/stable/c/b625883ccbcc2b57808db51d1375b1d7b9bcb3e5 - Patch |
11 Sep 2025, 17:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-09-11 17:15
Updated : 2025-11-26 16:20
NVD link : CVE-2025-39754
Mitre link : CVE-2025-39754
CVE.ORG link : CVE-2025-39754
JSON object : View
Products Affected
linux
- linux_kernel
CWE
CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')