Memory leak in Linux kernel - CVE-2026-97473
Published: September 24, 2026
Vulnerability identifier: #VU152012
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-2026-97473
CWE-ID: CWE-401
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 memory release in rapl_add_package_cpuslocked() in the Intel RAPL powercap driver when handling a failed package addition caused by a negative physical package or logical die identifier. A local user can trigger a failed package addition to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-97473
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3