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.
| Version | Score | Severity | Vector String |
|---|---|---|---|
| 3.1 | 7.3 | High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H |