Improper resource shutdown or release in Linux kernel - CVE-2026-45997
Published: May 28, 2026
Vulnerability identifier: #VU132489
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-2026-45997
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 sd_probe() error handling when device_add(&disk_dev) fails. A local user can trigger a device addition failure to cause a denial of service.
How to mitigate CVE-2026-45997
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/13e550fbfccdb311e76ec96892dfe35f0dba0657
- https://git.kernel.org/stable/c/1e111c4b3a726df1254670a5cc4868cedb946d37
- https://git.kernel.org/stable/c/262152ec37101f9dc524743ccdbd6c7641d14573
- https://git.kernel.org/stable/c/a95d38c5701431bfc826e7b18acc0785919d5c88
- https://git.kernel.org/stable/c/b64b4f499801b12d0e2785447e4df6c164c608a9