CVE-2025-67246: A local information disclosure vulnerability exists in the Ludashi driver before 5.1025 due to a lack of acces

Q: How do I fix CVE-2025-67246?

ludashi driver: upgrade to 5.1025. Exact commands for each OS are on this page.

Q: Is CVE-2025-67246 being exploited?

CVE-2025-67246 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-67246 affect?

CVE-2025-67246 affects ludashi driver. Severity is high (CVSS 7.3). A local information disclosure vulnerability exists in the Ludashi driver before 5.1025 due to a lack of access control in the IOCTL handler. This driver exposes a device interface accessible to a normal user and handles attacker-controlled

Q: How urgent is CVE-2025-67246?

Priority 32/100. High severity; Public exploit reference

Routine

HIGH 7.3UPGRADE

CVE-2025-67246 is a high-severity flaw (CVSS 7.3) affecting ludashi driver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A local information disclosure vulnerability exists in the Ludashi driver before 5.1025 due to a lack of access control in the IOCTL handler. This driver exposes a device interface accessible to a normal user and handles attacker-controlled structures containing the lower 4GB of physical addresses. The handler maps arbitrary physical memory via MmMapIoSpace and copies data back to user mode without verifying the caller's privileges or the target

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.3 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 94%)
CISA exploited list	No
Weakness	CWE-269, CWE-732
Published	2026-01-15
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: ludashi

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-15 16:16 UTCPublished CVE record published
2026-07-05 02:17 UTCUpdated Record last modified

ludashi ludashi driver UPGRADE

Affected: < 5.1025

Fixed in: 5.1025

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ludashi-driver || rpm -q ludashi-driver || ludashi-driver --version

2. UPGRADE to 5.1025 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ludashi-driver

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ludashi-driver

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-67246?

ludashi driver: upgrade to 5.1025. Exact commands for each OS are on this page.

Is CVE-2025-67246 being exploited?

CVE-2025-67246 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-67246 affect?

CVE-2025-67246 affects ludashi driver. Severity is high (CVSS 7.3). A local information disclosure vulnerability exists in the Ludashi driver before 5.1025 due to a lack of access control in the IOCTL handler. This driver exposes a device interface accessible to a normal user and handles attacker-controlled

How urgent is CVE-2025-67246?

Priority 32/100. High severity; Public exploit reference

References

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