CVE-2025-68743 | mshv: Fix create memory region overlap check

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.

Published: 2025-12-24 Last update: 2026-06-17 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2025-68743 is rated Low Risk (5.1/100): low exploitation likelihood (EPSS 0.15%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-68743

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.02% 0.15% +0.14%
2 2025-12-25 0.02%

Full EPSS history (2 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-68743

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2025-68743

OS Trackers for CVE-2025-68743

vendor priority summary link
debian unimportant CVE-2025-68743 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2025-68743
redhat https://access.redhat.com/security/cve/CVE-2025-68743
suse medium CVE-2025-68743 severity moderate: SUSE including 116 source package names (13.2-9.1:libsqlite3-0-3.49.1-1.1, 2.1.3-6.31:libsqlite3-0-3.49.1-1.1, …), 493 product×package rows across 83 product lines (Container suse/sl-micro/6.0/baremetal-os-container, Container suse/sl-micro/6.0/base-os-container, … (83 product lines)): Known Not Affected 297, Fixed 171, First Fixed 25. https://www.suse.com/security/cve/CVE-2025-68743/
ubuntu medium CVE-2025-68743 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 173, not-affected 121, released 99, needed 2. https://ubuntu.com/security/CVE-2025-68743

Affected software / configurations for CVE-2025-68743

Vendor Product Version Raw CPE
linux linux_kernel >= 6.15, < 6.17.13 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 6.15, < 6.18.2 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux_kernel >= 6.15, < 6.19 cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References for CVE-2025-68743

cvelogic Threat Intelligence