PT-2026-44364 · Linux · Linux Kernel

Sashiko · CVE-2026-46241 · Published 2026-05-28 · Updated 2026-07-28

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description A use-after-free and resource leak issue exists in the spi: mpc52xx component. The problem occurs when controller registration fails, as interrupts are not properly disabled and freed.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2026-46241

ECHO-2FB4-EA43-ECEA

OPENSUSE-SU-2026:10954-1

USN-8566-1

USN-8567-1

USN-8568-1

USN-8569-1

USN-8574-1

USN-8574-2

USN-8574-3

USN-8593-1

USN-8595-1

USN-8595-2

USN-8595-3

USN-8596-1

USN-8603-1

USN-8606-1

USN-8607-1

USN-8608-1

USN-8609-1

USN-8618-1

USN-8619-1

Affected Products

Linux Kernel

References · 2217

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46241.json · Exploit
• https://ubuntu.com/security/CVE-2026-64049 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31730 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-63910 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-63841 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43445 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-64075 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31720 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45938 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-63860 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45991 · Vendor Advisory
• https://ubuntu.com/security/CVE-2025-68736 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-43227 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-23343 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-46223 · Vendor Advisory