PT-2024-36962 · Linux+3 · Linux Kernel+3

Lucas De Marchi · Published 2024-12-12 · Updated 2025-09-29 · CVE-2024-56652

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 vulnerability in the Linux kernel has been resolved. The issue is related to the drm/xe/reg sr register pool implementation, which does not work correctly. If the krealloc function moves the memory and returns a different address, the entries in the xarray become invalid, leading to a use-after-free error later. This error can occur in the xe reg sr apply mmio function. The vulnerability was identified by the KASAN (Kernel Address Sanitizer) tool.

Recommendations To resolve the issue, simplify the code to fix the bug. A better pooling strategy may be added back later if needed. 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

ALSA-2025_16880

ALT-PU-2024-17881

BDU:2025-07232

CVE-2024-56652

USN-7379-1

USN-7379-2

USN-7380-1

USN-7381-1

USN-7382-1

USN-7513-1

USN-7513-2

USN-7513-3

USN-7513-4

USN-7513-5

USN-7514-1

USN-7515-1

USN-7515-2

USN-7522-1

USN-7523-1

USN-7524-1

Affected Products

Alt Linux

Linuxmint

Linux Kernel

Ubuntu

References · 820

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56652.json · Exploit
• https://ubuntu.com/security/CVE-2024-53166 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56639 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50059 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-56594 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50185 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50249 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50211 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50205 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50151 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50145 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57791 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-57799 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50086 · Vendor Advisory