{"metadata": {"vulnerability": "CVE-2026-99052", "count": 22, "kinds": {"milestone": 7, "sighting": 1, "kev": 0, "other": 14}}, "data": [{"timestamp": "2026-09-25T10:25:14.388Z", "date_only": false, "value": "2026-09-25T10:25:14.388Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99052", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-23T12:22:34.168Z", "date_only": false, "value": "2026-10-23T12:22:34.168Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99052", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-23T13:17:00Z", "date_only": false, "value": "2026-10-23T13:17:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-99052", "record": "UBUNTU-CVE-2026-99052", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T13:17:28Z", "date_only": false, "value": "2026-10-23T13:17:28Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-8MQQ-3Q6F-V2W5", "record": "GHSA-8MQQ-3Q6F-V2W5", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2026-10-23T13:17:28.747Z", "date_only": false, "value": "2026-10-23T13:17:28.747", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-99052", "record": "FKIE_CVE-2026-99052", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T14:15:18.110Z", "date_only": false, "value": "2026-10-23T14:15:18.110153Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117490640945889994", "record": "CVE-2026-99052", "field": "creation_timestamp", "uuid": "8c4e65d6-d55e-4b7f-a311-10c84433ea6b", "content": "CVE-2026-99052 selinux: preserve NATIVE_LABELS on already-initialized sb in set_mnt_opts In the Linux kernel, the following vulnerability has been resolved:\nselinux: preserve NATIVE_LABELS on already-initialized sb in set_mnt_opts\nWhen an NFSv4 filesystem exported with security_label is mounted asecond time, sget_fc() returns the existing superblock andnfs_get_root() calls security_sb_set_mnt_opts() again on it. Since thesuperblock is already SB_INITIALIZED, selinux_set_mnt_opts() takes anearly exit without setting SECURITY_LSM_NATIVE_LABELS in*set_kern_flags. nfs_get_root() then sees kflags withoutSECURITY_LSM_NATIVE_LABELS set and clears NFS_CAP_SECURITY_LABEL onthe shared nfs_server, silently disabling per-file labeling for boththe new and the original mount.\nCommit 3815a245b501 (\"security/selinux: fix SECURITY_LSM_NATIVE_LABELSon reused superblock\") fixed the same problem inselinux_sb_clone_mnt_opts().  The reused-superblock path for a plainsecond mount now goes through sb_set_mnt_opts rather thansb_clone_mnt_opts, so it needs the same treatment: on bothSE_SBINITIALIZED early exits, set SECURITY_LSM_NATIVE_LABELS in*set_kern_flags when the superblock was already usingSECURITY_FS_USE_NATVE.\nhttps://www.cve.org/CVERecord?id=CVE-2026-99052https://git.kernel.org/stable/c/a545def625860d4ccedc14fe45e884a62a041cefhttps://git.kernel.org/stable/c/a6da93c625b3557dd23ff6db45d2d1bafeae1565https://git.kernel.org/stable/c/5509d498e1b9edafebd5a60ba3cb9ecfda23dc2bhttps://git.kernel.org/stable/c/c997832414f1d846de0a1fa38d7d4f62ba2ea917https://git.kernel.org/stable/c/28b7260548af3d35773477993ad4e4de41578dd7#kernel #Linux#CVE_2026_99052#bot", "url": "https://infosec.exchange/users/cve/statuses/117490640945889994"}, {"timestamp": "2026-10-23T15:31:36Z", "date_only": false, "value": "2026-10-23T15:31:36Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-8MQQ-3Q6F-V2W5", "record": 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