SB20260815276 - Out-of-bounds write in Linux kernel usb qcom
Published: August 15, 2026
Security Bulletin ID
SB20260815276
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) Out-of-bounds write (CVE-ID: CVE-2026-72446)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: 6.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service or corrupt memory.
The vulnerability exists due to an out-of-bounds write in handle_uaudio_stream_req() when processing a stream disable request with no matching active interface. A local user can send a specially crafted AF_QIPCRTR request to cause a denial of service or corrupt memory.
The issue is reachable from unprivileged local userspace over AF_QIPCRTR.
Remediation
Install update from vendor's website.