In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer mode from OF has 'use after free', 'buffer overrun' and memory leaks. info->edid_data isn't free if the probe functions fail or if pd->def_mode is set. If both the CRT and PANEL are enabled info->edid_data is used after being freed and is freed twice. The string returned by of_get_property(np, "mode", &len) is just written over either the static "640x480-16@60" or the module parameter string without any regard for the length (which is most likely longer). Use kstrump() for the OF mode and free everything before freeing 'info.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00176.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

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References
Link Providers
https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d cve-icon cve-icon
https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a cve-icon cve-icon
https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30 cve-icon cve-icon
https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31 cve-icon cve-icon
https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a cve-icon cve-icon
https://git.kernel.org/stable/c/d374f76e1257ecc5d691a765c512ed2c29a44741 cve-icon cve-icon
https://git.kernel.org/stable/c/d8421e09382cfe0bd2a044c8b0a822f64855dd4e cve-icon cve-icon
https://git.kernel.org/stable/c/de590cdf7efec8a0b6da90ae2ab5fc5df26810b9 cve-icon cve-icon
History

Sat, 15 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: fbdev: sm501fb: Fix buffer errors in OF binding code The code that gets the frame buffer mode from OF has 'use after free', 'buffer overrun' and memory leaks. info->edid_data isn't free if the probe functions fail or if pd->def_mode is set. If both the CRT and PANEL are enabled info->edid_data is used after being freed and is freed twice. The string returned by of_get_property(np, "mode", &len) is just written over either the static "640x480-16@60" or the module parameter string without any regard for the length (which is most likely longer). Use kstrump() for the OF mode and free everything before freeing 'info.
Title fbdev: sm501fb: Fix buffer errors in OF binding code
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-08-15T05:58:16.805Z

Reserved: 2026-08-15T05:44:03.884Z

Link: CVE-2026-74320

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-08-15T06:22:32.457

Modified: 2026-08-15T06:22:32.457

Link: CVE-2026-74320

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.