Stack-based buffer overflow in Linux kernel - CVE-2026-46332
Published: June 10, 2026
Vulnerability identifier: #VU134167
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2026-46332
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local attacker to cause a denial of service.
The vulnerability exists due to stack-based buffer overflow in cc1352_bootloader_rx() in drivers/greybus/gb-beagleplay.c when processing bootloader receive chunks. A local attacker can send oversized input to overflow the receive buffer and cause a denial of service.
How to mitigate CVE-2026-46332
Install security update from vendor's repository.