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VULNERABILITIES

CVE-2026-74451 Details

Description

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: validate firmware interface structure sizes iface_fw_to_cpu_addr() only checks that the firmware-provided MCU virtual address points inside the shared section. The returned pointer is later used as a full firmware interface structure, so accepting an address near the end of the shared section can still lead to out-of-bounds accesses. Pass the expected object size to iface_fw_to_cpu_addr() and reject ranges that do not fit entirely in the shared section.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: kernel.orgCVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/21c77486f5a60bb9c0433c21de62a5f25d5091f1 kernel.org
https://git.kernel.org/stable/c/b921b8613790a3f9e78ab64017fa7149ef0b750c kernel.org
https://git.kernel.org/stable/c/c835f2b0b7167584832b516c9b0a26e9180d1d0b kernel.org
https://git.kernel.org/stable/c/ca41d9f3a21586bf29df53eec05152ecf2b2f94f kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-74451
NVD Published Date:
Aug 15, 2026
NVD Last Modified:
Aug 17, 2026
Source:
kernel.org
CVE-2026-74451 Details - Not Deferred