Improper resource shutdown or release in Linux kernel - CVE-2026-68180
Published: August 12, 2026
Vulnerability identifier: #VU142138
CSH Severity: Low
CVSS v4: 4.8 [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]
CVE-ID: CVE-2026-68180
CWE-ID: CWE-404
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 improper resource shutdown or release in the intel_th MSC output release path when opening and closing MSC output files. A local user can repeatedly open MSC output files to cause a denial of service.
Each successful MSC output open leaks one device reference because the release callback used for MSC outputs does not drop the reference acquired during open.
Affected software
Linux kernel
How to mitigate CVE-2026-68180
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3
External References
- https://git.kernel.org/stable/c/26e27b8dcef1e4df6f30d8f25b3304a506d482b3
- https://git.kernel.org/stable/c/761b785a0cfbce43761227bc42a7f984f31f8921
- https://git.kernel.org/stable/c/c3a28f9cb82425fe0835048ed3677f321e780691
- https://git.kernel.org/stable/c/caba30eb8bd321c465ecfc7d850ee85f5b353496
- https://git.kernel.org/stable/c/ddcf2064d7ec5a8c9afa7cb74442320e443502bc