SB20260507145 - Out-of-bounds write in Linux kernel freescale dpaa2 driver

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Main Vulnerability Database SB20260507145

SB20260507145 - Out-of-bounds write in Linux kernel freescale dpaa2 driver

Published: May 7, 2026

Security Bulletin ID SB20260507145
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2026-43205)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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 an out-of-bounds write in dpaa2_switch_fdb_get_flood_cfg() when processing firmware-reported switch interface attributes. A local user can provide a crafted firmware-reported num_ifs value to cause a denial of service.

The issue can also occur when num_ifs equals the maximum interface count and all ports match the flood filter, causing the control interface entry to overflow the fixed-size array by one slot.


Remediation

Install update from vendor's website.

References