Race condition in Linux kernel - CVE-2026-80653
Published: August 28, 2026
Vulnerability identifier: #VU146148
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2026-80653
CWE-ID: CWE-362
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 synchronization in the hisi_sas v3 hardware SCSI device link handling when executing a remote PHY link reset concurrently with driver removal. A local user can trigger concurrent link reset and device removal operations to cause a kernel warning and destabilize the system.
The issue occurs during SAS PHY revalidation and device cleanup in the hisi_sas driver.
Affected software
Linux kernel
How to mitigate CVE-2026-80653
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3