SB2026020256 - Memory leak in Linux kernel dma sh driver
Published: February 2, 2026
Security Bulletin ID
SB2026020256
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Memory leak (CVE-ID: CVE-2025-71187)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the rz_dmac_chan_probe(), rz_dmac_parse_of_icu() and rz_dmac_remove() functions in drivers/dma/sh/rz-dmac.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.