{"id":"ASB-A-503385812", "published":"2026-11-01T00:00:00Z", "modified":"2026-11-05T16:32:28.703711716Z", "aliases":["CVE-2026-58847", "A-503385812"], "details":"In kvm_vfio_pviommu_attach of vfio.c, there is a possible double free due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.", "affected":[{"package":{"name":":linux_kernel:", "ecosystem":"Android"}, "ranges":[{"type":"ECOSYSTEM", "events":[{"introduced":":0"}, {"fixed":":2026-11-05"}]}], "versions":["Kernel"], "ecosystem_specific":{"fixes":["https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb"], "severity":"High", "spl":"2026-11-05", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"99892171902826701721908594755211016053", "length":671}, "id":"ASB-A-503385812-4611065e", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb", "target":{"file":"virt/kvm/vfio.c", "function":"kvm_vfio_pviommu_attach"}}, {"deprecated":false, "digest":{"line_hashes":["77932403112495172743288900516447989814", "141526517654518460604088811293200832323", "27836268315525444471369181122377179500", "33757979601207912645308252154973417339", "305458979290355936414707965711092392559", "314650931647502009322239686021033032681", "228057565913214674416804129910504748593", "27899858423427688711248582660830382998", "265205290138312779401596656267812905893", "330542579927671329995984923348170246750", "56678954344851737991566539409408747853", "132441708529659720524479451344967449566", "7410984180084189500776710001672207785", "217674688684235168094731582971025265764", "120648066300451268904949716206175355406"], "threshold":0.9}, "id":"ASB-A-503385812-7dfb2441", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb", "target":{"file":"virt/kvm/vfio.c"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-11-01"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/8c62fa09cc8a04cbaaa5d00b5dcd51279bee3bdb"}]}