SB20260925101 - Out-of-bounds read in Linux kernel remoteproc driver

Description

This security bulletin contains information about 1 vulnerability.

1) Out-of-bounds read (CVE-ID: CVE-2026-93272)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

The vulnerability allows a local user to cause regulator initialization failures.

The vulnerability exists due to out-of-bounds access in the qcom_wcnss regulator initialization routine when initializing regulators after attaching power domains. A local user can trigger remoteproc regulator initialization to cause regulator initialization failures.

The issue affects pronto-v3 platforms that do not list power-domain regulators in the vregs array.

Remediation

Install update from vendor's website.

References

• https://git.kernel.org/stable/c/3dbc90b9c22ea96e37bf55f6011e63b5123ec668
• https://git.kernel.org/stable/c/bce6b48af3abf7468d12ef4933f21bd8c1d822e9