Linux kernel (Intel IoTG) vulnerabilities — USN-8620-3

Summary

Maxim Suhanov discovered that the NTFS file system implementation in the Linux kernel did not properly validate file name length in certain situations, leading to an out-of-bounds read. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could expose sensitive information (kernel memory). (CVE-2023-45896) It was discovered that some AMD processors did not properly…

Timeline

Published by source

2026-07-31

Risk context

• Reported severity or threat level: medium.
• Review exposure for the affected product or family: Ubuntu.

Product

Ubuntu

What to do

General, cautious steps (verify details in the official source):

• Review exposure and plan remediation based on risk and environment.
• Identify affected product versions in your inventory and verify whether you are impacted.
• Apply vendor patches/updates or recommended mitigations as soon as available.
• Read the official advisory for exact affected versions and remediation steps.

Official advisory

• Read the official source
• CVE Record
• NVD

Evidence and provenance

Canonical advisory ID

USN-8620-3

Source

Ubuntu

Vendor

Ubuntu

Published by source

2026-07-31

Last source activity

2026-07-31

Additional identifiers

CVE-2023-45896

Curated by

hlukh.ch

Related advisories and connections

These advisories are connected by shared CVE, product, vendor, source, or time signals.