CVE-2026-89960

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

EUVD-2026-80560

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...

CVE-2026-89960

CVE-2026-89960 is a use-after-free in the Linux kernel's s390 vfio-ap (Protected Crypto Accelerator) subsystem. In vfio_ap_mdev_set_kvm(), the kvm->arch.crypto.pqap_hook pointer is set before checking for a conflicting mdev assignment. If another mdev already owns the KVM instance, the functio...

CVE-2026-89960 s390/vfio-ap: fix stale pqap_hook pointer on error in vfio_ap_mdev_set_kvm()

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix stale pqaphook pointer on error in vfioapmdevsetkvm In vfioapmdevsetkvm, kvm-arch.crypto.pqaphook is set to &matrixmdev-pqaphook before the update locks are acquired and the mdev list is checked for a conflictin...