Description
The EVTCHNOP_expand_array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP_reset, resulting in dereferencing a NULL pointer.
CVSS 7.3EPSS 0.212%Risk 0.74
View source- Published
- 2026-07-28 13:19:02
- Affected versions
- unknown
- Type
- Firmware
- Last modified
- 2026-07-28 17:16:56
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L