SB2026050899 - Resource exhaustion in Linux kernel binder range_alloc driver



SB2026050899 - Resource exhaustion in Linux kernel binder range_alloc driver

Published: May 8, 2026

Security Bulletin ID SB2026050899
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2026-43435)

CWE-ID: CWE-400 - Resource exhaustion

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


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

The vulnerability exists due to improper resource management in rust_binder oneway spam detection when processing oneway binder transactions. A remote user can send a large number of crafted oneway transactions to cause a denial of service.


Remediation

Install update from vendor's website.