Description
In the Linux kernel, the following vulnerability has been resolved:
mshv: Fix create memory region overlap check
The current check is incorrect; it only checks if the beginning or end
of a region is within an existing region. This doesn't account for
userspace specifying a region that begins before and ends after an
existing region.
Change the logic to a range intersection check against gfns and uaddrs
for each region.
Remove mshv_partition_region_by_uaddr() as it is no longer used.
mshv: Fix create memory region overlap check
The current check is incorrect; it only checks if the beginning or end
of a region is within an existing region. This doesn't account for
userspace specifying a region that begins before and ends after an
existing region.
Change the logic to a range intersection check against gfns and uaddrs
for each region.
Remove mshv_partition_region_by_uaddr() as it is no longer used.
Published:
2025-12-24
Score:
n/a
EPSS:
< 1% Very Low
KEV:
No
Impact:
n/a
Action:
n/a
Analysis
No analysis available yet.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
|
||||||||||||||||||
| Linux | Linux | affected |
|
No data.
No data.
No data available yet.
Remediation
No remediation available yet.
Tracking
Sign in to view the affected projects.
Advisories
| Source | ID | Title |
|---|---|---|
 Ubuntu USN |
USN-8094-1 | Linux kernel vulnerabilities |
| Ubuntu USN |
USN-8094-2 | Linux kernel vulnerabilities |
| Ubuntu USN |
USN-8094-3 | Linux kernel (Real-time) vulnerabilities |
| Ubuntu USN |
USN-8094-4 | Linux kernel (Azure) vulnerabilities |
| Ubuntu USN |
USN-8094-5 | Linux kernel (Raspberry Pi) vulnerabilities |
| Ubuntu USN |
USN-8152-1 | Linux kernel (OEM) vulnerabilities |
References
History
Thu, 25 Dec 2025 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Wed, 24 Dec 2025 12:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: mshv: Fix create memory region overlap check The current check is incorrect; it only checks if the beginning or end of a region is within an existing region. This doesn't account for userspace specifying a region that begins before and ends after an existing region. Change the logic to a range intersection check against gfns and uaddrs for each region. Remove mshv_partition_region_by_uaddr() as it is no longer used. | |
| Title | mshv: Fix create memory region overlap check | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
MITRE
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-02-09T08:32:47.441Z
Reserved: 2025-12-24T10:30:51.030Z
Link: CVE-2025-68743
Vulnrichment
No data.
NVD
Status : Awaiting Analysis
Published: 2025-12-24T13:16:29.247
Modified: 2025-12-29T15:58:13.147
Link: CVE-2025-68743
Redhat
OpenCVE Enrichment
No data.
Weaknesses
No weakness.