PT-2024-35535 · Linux+3 · Linux Kernel+3

Published 2024-11-07 · Updated 2025-09-29 · CVE-2024-53071

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

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

Description The issue concerns the Linux kernel's drm/panthor module, specifically the panthor device mmap io() implementation. Two problems have been identified:

1. The function does not clear the VM MAYWRITE flag when VM WRITE is set for mapping DRM PANTHOR USER FLUSH ID MMIO OFFSET, allowing userspace to make the mapping writable later using mprotect().
2. It does not block MAP PRIVATE mappings, which can lead to issues with copy-on-write semantics for VM PFNMAP. The fix involves clearing the VM MAYWRITE flag and requiring VM SHARED to address these issues. Reproducers for both scenarios exist, and testing has been done on a Rock 5B machine.

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

Exploit

Improper Authorization

Weakness Enumeration

CWE-285

Related Identifiers

ALSA-2025_16880

ALT-PU-2024-17211

BDU:2025-15101

CVE-2024-53071

USN-7276-1

USN-7277-1

USN-7310-1

Affected Products

Alt Linux

Linuxmint

Linux Kernel

Ubuntu

References · 785

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53071.json · Exploit
• https://ubuntu.com/security/CVE-2024-53166 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50059 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50185 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50016 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-49943 · 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-2024-49907 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-49868 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50151 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50205 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50277 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50145 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-50086 · Vendor Advisory