Use of Uninitialized Variable in Linux kernel - CVE-2026-93249
Published: September 25, 2026
Vulnerability identifier: #VU152146
CSH Severity: Low
CVSS v4: 5.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-93249
CWE-ID: CWE-457
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to use of an uninitialized structure member in aml_spisg_clk_init() when initializing the Amlogic SPISG clock driver. A local user can trigger clock driver initialization to cause a denial of service.
The issue is exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is enabled.
Affected software
Linux kernel
How to mitigate CVE-2026-93249
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3