SB20260508131 - Improper resource shutdown or release in Linux kernel drm bridge driver

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Main Vulnerability Database SB20260508131

SB20260508131 - Improper resource shutdown or release in Linux kernel drm bridge driver

Published: May 8, 2026

Security Bulletin ID SB20260508131
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper resource shutdown or release (CVE-ID: CVE-2026-43397)

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper resource shutdown or release in samsung_dsim_host_attach() when handling attach error paths after calling drm_bridge_add(). A local user can trigger an attach failure to cause a denial of service.

The issue occurs when samsung_dsim_register_te_irq() or pdata->host_ops->attach() fails after the bridge has already been added.


Remediation

Install update from vendor's website.

References