{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncachefiles: add missing lock protection when polling\n\nAdd missing lock protection in poll routine when iterating xarray,\notherwise:\n\nEven with RCU read lock held, only the slot of the radix tree is\nensured to be pinned there, while the data structure (e.g. struct\ncachefiles_req) stored in the slot has no such guarantee.  The poll\nroutine will iterate the radix tree and dereference cachefiles_req\naccordingly.  Thus RCU read lock is not adequate in this case and\nspinlock is needed here."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/cachefiles/daemon.c"
               ],
               "versions": [
                  {
                     "version": "0e19a18f998d",
                     "lessThan": "97cfd5e20ddc",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "189438643427",
                     "lessThan": "6bb6bd3dd6f3",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b817e22b2e91",
                     "lessThan": "8eadcab7f3dd",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "b817e22b2e91",
                     "lessThan": "cf5bb09e742a",
                     "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/cachefiles/daemon.c"
               ],
               "versions": [
                  {
                     "version": "6.8",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.8",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.10",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/97cfd5e20ddc2e33e16ce369626ce76c9a475fd7"
            },
            {
               "url": "https://git.kernel.org/stable/c/6bb6bd3dd6f382dfd36220d4b210a0c77c066651"
            },
            {
               "url": "https://git.kernel.org/stable/c/8eadcab7f3dd809edbe5ae20533ff843dfea3a07"
            },
            {
               "url": "https://git.kernel.org/stable/c/cf5bb09e742a9cf6349127e868329a8f69b7a014"
            }
         ],
         "title": "cachefiles: add missing lock protection when polling",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-42250",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}