Improper resource shutdown or release in Linux kernel - CVE-2026-46083
Published: May 27, 2026
Vulnerability identifier: #VU132411
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2026-46083
CWE-ID: CWE-404
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 user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in spi device setup when registering a device after spi_setup() fails. A local user can trigger device setup failure to cause a denial of service.
How to mitigate CVE-2026-46083
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/11baa8b24bcb07ae2048f2566a220021d766abe0
- https://git.kernel.org/stable/c/1e774294b2f944f59e03a04eb438768a4b93c3ce
- https://git.kernel.org/stable/c/a2c817c629430fbbd54273525b472dac96e2c8fd
- https://git.kernel.org/stable/c/db357034f7e0cf23f233f414a8508312dfe8fbbe
- https://git.kernel.org/stable/c/dbcead54b12468d9aa54c0e1f0042d838ec3b0ae