{"id":"ASB-A-498749316", "published":"2026-11-01T00:00:00Z", "modified":"2026-11-05T16:32:28.703711716Z", "aliases":["CVE-2026-58829", "A-498749316"], "details":"In fuse_backing_mmap of backing.c, there is a possible memory corruption due to a use after free. 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/+/984713cde654f06871c542c469e3c226c8a79d9b", "https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae"], "severity":"High", "spl":"2026-11-05", "types":["EoP"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"103183245435895329758111521619183412475", "length":765}, "id":"ASB-A-498749316-09cdf045", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/984713cde654f06871c542c469e3c226c8a79d9b", "target":{"file":"fs/fuse/backing.c", "function":"fuse_backing_mmap"}}, {"deprecated":false, "digest":{"line_hashes":["193087334283541105748510376634326329498", "213455037205509970408385564439593171795", "54751123933479230246249745524088194866", "313169304456861125466987609152104425572", "335854022435646259869140970020295193341", "216655824640211384670769291939847961504", "31385670489753421034455589149691118878", "184357602709528659277979582734931232071", "34474630534719346179715003026132362452"], "threshold":0.9}, "id":"ASB-A-498749316-11d00b28", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae", "target":{"file":"fs/fuse/backing.c"}}, {"deprecated":false, "digest":{"line_hashes":["193087334283541105748510376634326329498", "213455037205509970408385564439593171795", "54751123933479230246249745524088194866", "313169304456861125466987609152104425572", "335854022435646259869140970020295193341", "216655824640211384670769291939847961504", "31385670489753421034455589149691118878", "184357602709528659277979582734931232071", "34474630534719346179715003026132362452"], "threshold":0.9}, "id":"ASB-A-498749316-9a22e9d0", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/984713cde654f06871c542c469e3c226c8a79d9b", "target":{"file":"fs/fuse/backing.c"}}, {"deprecated":false, "digest":{"function_hash":"7599780377113517780085190989890077268", "length":802}, "id":"ASB-A-498749316-b0ec825d", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae", "target":{"file":"fs/fuse/backing.c", "function":"fuse_backing_mmap"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-11-01"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/984713cde654f06871c542c469e3c226c8a79d9b"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/517040c192cebb334766f43604e6a7ebb79d43ae"}]}