{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfsd: fix nfsd4_deleg_getattr_conflict in presence of third party lease\n\nIt is not safe to dereference fl->c.flc_owner without first confirming\nfl->fl_lmops is the expected manager.  nfsd4_deleg_getattr_conflict()\ntests fl_lmops but largely ignores the result and assumes that flc_owner\nis an nfs4_delegation anyway.  This is wrong.\n\nWith this patch we restore the \"!= &nfsd_lease_mng_ops\" case to behave\nas it did before the change mentioned below.  This is the same as the\ncurrent code, but without any reference to a possible delegation."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/nfsd/nfs4state.c"
               ],
               "versions": [
                  {
                     "version": "c5967721e106",
                     "lessThan": "1b46a871e980",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "c5967721e106",
                     "lessThan": "40927f3d0972",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/nfsd/nfs4state.c"
               ],
               "versions": [
                  {
                     "version": "6.9",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.9",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10.8",
                     "lessThanOrEqual": "6.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.11",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/1b46a871e980e3daa16fd5e77539966492e8910a"
            },
            {
               "url": "https://git.kernel.org/stable/c/40927f3d0972bf86357a32a5749be71a551241b6"
            }
         ],
         "title": "nfsd: fix nfsd4_deleg_getattr_conflict in presence of third party lease",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-46690",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}