CVE-2023-53205EPSS p5.7%
CVE-2023-53205CVE-2023-53205
linux / linux_kernel
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.
Scoring
| CVSS | 7.3 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H |
| EPSS | 0.17% probability of exploitation · percentile 5.7% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-04 |