Unrated severityNVD Advisory· Published Dec 24, 2025· Updated Apr 15, 2026
CVE-2025-68743
CVE-2025-68743
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.
AI Insight
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Affected products
43- osv-coords42 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-source-longterm&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-64kb&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default-base&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-docs&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-kvmsmall&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-obs-qa&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-rt&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-source&distro=SUSE%20Linux%20Micro%206.2pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-syms&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%2016.0pkg:rpm/suse/kernel-zfcpdump&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
>= 6.15.0, < 6.17.13+ 41 more
- (no CPE)range: >= 6.15.0, < 6.17.13
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.18.5-1.1
- (no CPE)range: < 6.18.16-1.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1.160000.2.7
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
- (no CPE)range: < 6.12.0-160000.26.1
Patches
Vulnerability mechanics
References
3News mentions
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