VULNERABILITY INTELLIGENCE
CVE-2023-53205
CVSS score7.3 HIGH
EPSS probability0.17%
CISA KEVNot currently listed
Published2025-09-15
Last modified2026-10-15
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H
Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler We do check for target CPU == -1, but this might change at the time we are going to use it. Hold the physical target CPU in a local variable to avoid out-of-bound accesses to the cpu arrays.
Weakness classification
- nvd@nist.gov: CWE-787