{"metadata": {"vulnerability": "CVE-2026-99131", "count": 49, "kinds": {"milestone": 18, "sighting": 2, "kev": 0, "other": 29}, "linked_omitted": 0}, "data": [{"timestamp": "2026-09-25T10:25:14.394Z", "date_only": false, "value": "2026-09-25T10:25:14.394Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99131", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-28T10:34:45.102Z", "date_only": false, "value": "2026-10-28T10:34:45.102Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99131", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-28T11:04:45.243Z", "date_only": false, "value": "2026-10-28T11:04:45.243355Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117518203929427203", "record": "CVE-2026-99131", "field": "creation_timestamp", "uuid": "93d14dec-9da6-431a-bab0-a1a3042b1507", "content": "CVE-2026-99131 xfs: fix capability check in xfs In the Linux kernel, the following vulnerability has been resolved:\nxfs: fix capability check in xfs\nAn user reported a bug where he managed to evade group's quotaby changing a file's gid to a different group id the same userbelonged to, even though quotas were enforced on both gids and thefile's size was big enough to exceed the quota's hardlimit.\nCommit eba0549bc7d1 replaced a capable() call by ahas_capability_noaudit() to prevent unnecessary selinux audit messages.Turns out that both calls have slightly different semantics even thoughtheir documentation seems similar. Where in a nutshell:\ncapable() - Tests the task's effective credentialshas_ns_capability_noaudit() - Tests the task's real credentials\nThis most of the time has no practical difference but in some cases likechanging attrs (specifically group id in this case) through a NFS clientthis will allow the quota code to use XFS_QMOPT_FORCE_RES, effectivelybypassing quota accounting checks.\nUsing instead ns_capable_noaudit() should fix this issue and preventselinux audit messages.\nThis also fix the remaining calls to has_capability_noaudit()\nhttps://www.cve.org/CVERecord?id=CVE-2026-99131https://git.kernel.org/stable/c/19a1a22029ad3ae3604c763af6bd1195cb73648fhttps://git.kernel.org/stable/c/7809ac0161c7c5f52ed348fb1ec683b2b454a83ehttps://git.kernel.org/stable/c/e2f62a9744ebad3bcb6347a648e615026e9efeff#kernel #Linux#CVE_2026_99131#bot", "url": "https://infosec.exchange/users/cve/statuses/117518203929427203"}, {"timestamp": "2026-10-28T11:17:00Z", "date_only": false, "value": 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