{"id":"ASB-A-508541359", "published":"2026-11-01T00:00:00Z", "modified":"2026-11-02T16:38:00.081625681Z", "aliases":["CVE-2026-59046", "A-508541359"], "details":"In __pkvm_guest_relinquish_to_host of mem_protect.c, there is a possible out-of-bounds write due to improper input validation. This could lead to local denial of service 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/+/4a75aa4e840f294efd47084e083a6e91069bce58", "https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9"], "severity":"High", "spl":"2026-11-05", "types":["DoS"], "vanir_signatures":[{"deprecated":false, "digest":{"function_hash":"173028508911217046331614202396735705754", "length":1043}, "id":"ASB-A-508541359-4ebaec12", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9", "target":{"file":"arch/arm64/kvm/hyp/nvhe/mem_protect.c", "function":"__pkvm_guest_relinquish_to_host"}}, {"deprecated":false, "digest":{"function_hash":"259669710497397115355318959258188881858", "length":877}, "id":"ASB-A-508541359-58536db8", "signature_type":"Function", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58", "target":{"file":"arch/arm64/kvm/hyp/nvhe/mem_protect.c", "function":"__pkvm_guest_relinquish_to_host"}}, {"deprecated":false, "digest":{"line_hashes":["66758809532874694544408197000675381638", "324173879373054346288928917696355274385", "201412632586113100469882815926512364194"], "threshold":0.9}, "id":"ASB-A-508541359-6aa89019", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9", "target":{"file":"arch/arm64/kvm/hyp/nvhe/mem_protect.c"}}, {"deprecated":false, "digest":{"line_hashes":["87073718669574804823319088368524105598", "222251427937631417710456605717234674891", "276064985052561733977643580296228525838"], "threshold":0.9}, "id":"ASB-A-508541359-9fc25d30", "signature_type":"Line", "signature_version":"v1", "source":"https://android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58", "target":{"file":"arch/arm64/kvm/hyp/nvhe/mem_protect.c"}}]}}], "references":[{"type":"ADVISORY", "url":"https://source.android.com/security/bulletin/2026-11-01"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/4a75aa4e840f294efd47084e083a6e91069bce58"}, {"type":"FIX", "url":"https://android.googlesource.com/kernel/common/+/525cfccadb92e7c9314d03cce600fed7335874d9"}]}