Linux Distros Unpatched Vulnerability : CVE-2026-93238

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without...

SUSE CVE-2026-93238

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

DEBIAN-CVE-2026-93238

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

UBUNTU-CVE-2026-93238

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

CVE-2026-93238

The Linux kernel contains a vulnerability in the s390/vfio-ap component where the apm_filtered bitmap is allocated on the stack using the DECLARE_BITMAP macro without being zero-initialized. In the vfio_ap_mdev_hot_plug_cfg() function, if a hot plug configuration change only adds control domains ...

CVE-2026-93238 s390/vfio-ap: fix potential use of uninitialized apm_filtered bitmap

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

CVE-2026-93238

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

CVE-2026-93238 s390/vfio-ap: fix potential use of uninitialized apm_filtered bitmap

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: fix potential use of uninitialized apmfiltered bitmap The DECLAREBITMAPapmfiltered, APDEVICES macro allocates the bitmap on the stack without zero-initializing it. In vfioapmdevhotplugcfg, the vfioapmdevfiltermatrix...

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...

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...

AZL-101528 CVE-2026-89960 affecting package kernel 6.6.152.1-1

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...

DEBIAN-CVE-2026-89957

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed The vfioapmdevhotunplugcfg function uses the return value of bitmapandnot to determine whether the guest APCB needs to be updated. However, bitmapandnot...

DEBIAN-CVE-2026-89958

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix dereference matrixmdev-kvm without checking for NULL The apdriver structure has two fields which are function pointers to callbacks: .onconfigchanged: called at the start of the AP bus scan function to notify th...

DEBIAN-CVE-2026-89956

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix missing lock required to access list of apmatrixmdev objects In order to traverse or add/remove apmatrixmdev objects in the matrixdev-mdevlist, the matrixdev-guestslock mutex must be held. There are two function...

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...

EUVD-2026-80559

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix control domain removal in vfioapmdevcfgremove The vfioapconfigremove function uses the bitmapandnot function to clear bits from the matrixmdev-matrix.adm bitmap specifies the control domains assigned to the mdev...

CVE-2026-89957 s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed

In the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix hot-unplug skipped when last AP adapter or domain removed The vfioapmdevhotunplugcfg function uses the return value of bitmapandnot to determine whether the guest APCB needs to be updated. However, bitmapandnot...

CVE-2026-89957

CVE-2026-89957 affects the Linux kernel s390 vfio-ap driver. In vfio_ap_mdev_hot_unplug_cfg(), the return value of bitmap_andnot() is used to decide whether the guest APCB needs updating. When the last AP adapter or domain assigned to an mdev is removed, the resulting empty bitmap causes bitmap_a...

CVE-2026-89955

A NULL pointer dereference vulnerability exists in the Linux kernel's s390/vfio-ap module. The race occurs when vfio_ap_mdev_probe_queue() creates the sysfs attribute group before the queue's driver data is set; a concurrent read of the status attribute then retrieves NULL via dev_get_drvdata() a...