{"id":"ASB-A-508702141", "published":"2026-11-01T00:00:00Z", "modified":"2026-11-02T16:38:00.081625681Z", "aliases":["CVE-2026-59044", "A-508702141"], "details":"In multiple locations, there is a possible use-after-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/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5"], "severity":"Critical", "spl":"2026-11-05", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"81254865089399762781766763892053610059", "length":399}, "id":"ASB-A-508702141-0472e2fe", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5", "target":{"file":"arch/arm64/kvm/hyp/nvhe/pkvm.c", "function":"__pkvm_start_teardown_vm"}}, {"deprecated":false, "digest":{"line_hashes":["266070129564720093764580315294731733760", "42184193747483532599088635137893934220", "81017997177472112560676412062056370501", "38087160660220118720913299495565273385", "101623583210055504047574285678201847388", "230933254375419309708908902598878503228", "184532742190206378567291316160172379477", "49320613657826460553588453061616772881", "48377283112590026902419871774578483829", "262327366713844548748291770384610077821", "7280054027196015049953612995336682544", "288862352629270145689344071876203612770", "223060689072485746828383332153090602344", "294237633181496875554861515265850891046", "316670701255868883829852911323557903533", "79507446999903499850224504775056754420", "324344632895892353101765586392035632619", "297252537085933648539449257980456458310", "293047567724985950786238084352130625315"], "threshold":0.9}, "id":"ASB-A-508702141-3da0b790", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5", "target":{"file":"arch/arm64/kvm/hyp/nvhe/pkvm.c"}}, {"deprecated":false, "digest":{"function_hash":"270710784214742701292984139871479659989", "length":1415}, "id":"ASB-A-508702141-492542b9", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5", "target":{"file":"arch/arm64/kvm/hyp/nvhe/pkvm.c", "function":"__pkvm_finalize_teardown_vm"}}, {"deprecated":false, "digest":{"line_hashes":["259432726752519156212926839802390832315", "169037309083090689845262157964905002090", "86971385136166677498006049656921805507", "326497997766043550287117058581982122040", "88376860492509038193438046321502818588", "174331328233651677432106538606853432087", "258575460002559133453148848063353714417"], "threshold":0.9}, "id":"ASB-A-508702141-741fb656", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5", "target":{"file":"arch/arm64/kvm/hyp/include/nvhe/pkvm.h"}}, {"deprecated":false, "digest":{"function_hash":"43477530148561989109393951343969818539", "length":445}, "id":"ASB-A-508702141-e3d278a7", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5", "target":{"file":"arch/arm64/kvm/hyp/nvhe/pkvm.c", "function":"__pkvm_reclaim_dying_guest_page"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-11-01"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/a4e59da7cad6b445229ae67c0ebed83a7b18dcb5"}]}