PT-2026-1243 · Linux+3 · Linux Kernel+3

Published 2026-01-05 · Updated 2026-05-11 · CVE-2025-68755

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The MOST I2C driver within the Linux kernel was broken for five years without detection. A commit required drivers to set an interface device pointer before registration, but the I2C driver was not updated to comply. This resulted in a NULL pointer dereference if anyone attempted to probe the driver.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

BDU:2026-00899

CVE-2025-68755

ECHO-ADE7-2759-BA20

OPENSUSE-SU-2026:10039-1

OPENSUSE-SU-2026:10301-1

USN-8094-1

USN-8094-2

USN-8094-3

USN-8094-4

USN-8094-5

USN-8152-1

USN-8179-1

USN-8179-2

USN-8179-3

USN-8179-4

USN-8184-1

USN-8185-1

USN-8185-2

USN-8203-1

USN-8204-1

USN-8258-1

USN-8260-1

USN-8261-1

USN-8265-1

Affected Products

Debian

Linuxmint

Linux Kernel

Ubuntu

References · 940

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/68xxx/CVE-2025-68755.json · Exploit
• https://ubuntu.com/security/CVE-2025-71095 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40035 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68361 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68340 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68244 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-40321 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-39869 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23408 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-71121 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68777 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-23129 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8261-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-22124 · Vendor Advisory
• https://osv.dev/vulnerability/USN-8203-1 · Vendor Advisory