PT-2026-97905

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the s390/vfio-ap component where the DECLARE BITMAPapm filtered, AP DEVICES macro allocates a bitmap on the stack without zero-initializing it. In the vfio ap mdev hot...

PT-2026-93596

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the s390/vfio-ap component during queue probe. When the vfio ap mdev probe queue function creates the sysfs attribute group, the driver data for the...

PT-2026-93601

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the s390 vfio-ap component. In the vfio ap mdev set kvm function, the kvm-arch.crypto.pqap hook pointer is assigned before update locks are acquired and...

IBM S/390 Linux Kernel vfio_ap_mdev_filter_matrix Heap Buffer Overflow DoS

The vulnerability of the function vfioapmdevfiltermatrix in the driver drivers/s390/crypto/vfioapops.c of the IBM S/390 cryptographic device driver for the Linux operating system is related to insufficient control over the information transmitted to users. Exploiting this vulnerability could allo...