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charset="utf-8" From: Vulnerability Report Reject pirq =3D=3D s->nr_pirqs in xen_physdev_map_pirq(). Fixes: aa98ee38a5 ("hw/xen: Implement emulated PIRQ hypercall support") Fixes: CVE-2026-0665 Reported-by: DARKNAVY (@DarkNavyOrg) Reviewed-by: David Woodhouse Signed-off-by: Vulnerability Report Link: https://lore.kernel.org/r/13FE03BE60EA78D6+20260109023548.4047-1-vr@d= arknavy.com Signed-off-by: Paolo Bonzini --- hw/i386/kvm/xen_evtchn.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c index b65871f3542..8b243984e41 100644 --- a/hw/i386/kvm/xen_evtchn.c +++ b/hw/i386/kvm/xen_evtchn.c @@ -1877,7 +1877,7 @@ int xen_physdev_map_pirq(struct physdev_map_pirq *map) return pirq; } map->pirq =3D pirq; - } else if (pirq > s->nr_pirqs) { + } else if (pirq >=3D s->nr_pirqs) { return -EINVAL; } else { /* --=20 2.52.0