SB20260626172 - Integer overflow in Linux kernel accel ethosu driver
Published: June 26, 2026
Security Bulletin ID
SB20260626172
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer overflow (CVE-ID: CVE-2026-53170)
CWE-ID: CWE-190 - Integer overflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to bypass DMA bounds checks.
The vulnerability exists due to an integer overflow in dma_length() in the ethosu driver when processing DMA commands with an uninitialized length. A local user can omit the DMA length setup command and issue a DMA start command to bypass DMA bounds checks.
The issue can leave region_size[] as 0 and allow hardware DMA to proceed with stale physical addresses.
Remediation
Install update from vendor's website.