CVE-2023-53205 — KVM: s390/diag: fix racy access of physical cpu number in diag 9c handler
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,…
Published: 2025-09-15 · CVSS: 7.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7