Use of uninitialized resource in Linux kernel - CVE-2026-92476
Published: September 18, 2026
Vulnerability identifier: #VU151039
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-92476
CWE-ID: CWE-908
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to trigger use of an uninitialized completion.
The vulnerability exists due to use of an uninitialized resource in the Keem Bay OCS AES driver's kmb_ocs_aes_probe() routine when a device interrupt occurs after IRQ registration and before completion initialization. A local user can trigger a device interrupt during this initialization window to trigger use of an uninitialized completion.
Affected software
Linux kernel
How to mitigate CVE-2026-92476
Install security update from vendor's repository.
External References
- https://git.kernel.org/stable/c/4ce407055ae9d37f46a3c6f05eb27198b354d287
- https://git.kernel.org/stable/c/5aae80dcec0748b4ed61daace2ad8b12082261f2
- https://git.kernel.org/stable/c/7efb51a5893b22003a679d088b7794be2ccd6c32
- https://git.kernel.org/stable/c/a3ffced8be1555f283680065c3b87a19f5ab9097
- https://git.kernel.org/stable/c/d52a15c4559b69805bc69bf4ad9e16bbf6480d52
- https://git.kernel.org/stable/c/f8970ee9e315c9e2258ae8914d5fb32b1039d2f6
- https://git.kernel.org/stable/c/fce20289dd622cc7ab78d72c8a979a9f8b7cb10e