CVE-2025-68743

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2025-68743
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68743.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-68743
Downstream
Related
Published
2025-12-24T12:09:40.148Z
Modified
2026-03-12T02:17:09.291297Z
Summary
mshv: Fix create memory region overlap check
Details

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 mshvpartitionregionbyuaddr() as it is no longer used.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68743.json",
    "cna_assigner": "Linux"
}
References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
621191d709b14882270dfd8ea5d7d6cdfebe2c35
Fixed
2183924dd834e0703f87e17c17e689bcbf55d69d
Fixed
ab3e7a78d83a61d335458cfe2e4d17eba69ae73d
Fixed
ba9eb9b86d232854e983203dc2fb1ba18e316681

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68743.json"

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
6.15.0
Fixed
6.17.13
Type
ECOSYSTEM
Events
Introduced
6.18.0
Fixed
6.18.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-68743.json"