s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89959
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 11:17:06 UTC
Updated2026-09-16 11:17:06 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: s390/vfio-ap: Fix control domain removal in vfio_ap_mdev_cfg_remove The vfio_ap_config_remove function uses the bitmap_andnot function to clear bits from the matrix_mdev->matrix.adm bitmap (specifies the control domains assigned to the mdev). This prevents the explicitly unplugged control domains from being removed the KVM guest. The bitmap_and function is used instead.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 12871a4269f139221c9fde9ea3eb69c9228f59d4 git Not specified
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 02e72909453dee2f8a09f78819f9a9cb902dfbdc git Not specified
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 4bffadde7fc49b00493fb78c6376f958998d4b8c git Not specified
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 f7d66afc34bc6e833c8ebe56973afec35f473bc1 git Not specified
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 2ff68bf414de167bc138e6e211ee1ad3ab3c5052 git Not specified
CNA Linux Linux affected eeb386aeb5b7c8d2dae6a3ba49255d8a97803182 6b8a02e216f6b520cc029e43ddc83956605135d5 git Not specified
CNA Linux Linux affected 6.0 Not specified
CNA Linux Linux unaffected 6.0 semver Not specified
CNA Linux Linux unaffected 6.1.188 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.157 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.110 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.51 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.5 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/02e72909453dee2f8a09f78819f9a9cb902dfbdc 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/f7d66afc34bc6e833c8ebe56973afec35f473bc1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4bffadde7fc49b00493fb78c6376f958998d4b8c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6b8a02e216f6b520cc029e43ddc83956605135d5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/12871a4269f139221c9fde9ea3eb69c9228f59d4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/2ff68bf414de167bc138e6e211ee1ad3ab3c5052 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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