{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naio: fix mremap after fork null-deref\n\nCommit e4a0d3e720e7 (\"aio: Make it possible to remap aio ring\") introduced\na null-deref if mremap is called on an old aio mapping after fork as\nmm->ioctx_table will be set to NULL.\n\n[jmoyer@redhat.com: fix 80 column issue]"
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/aio.c"
               ],
               "versions": [
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "808f1e4b5723",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "d8dca1bfe9ad",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "4326d0080f7e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "c261f798f7ba",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "178993157e8c",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "af126acf01a1",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "e4a0d3e720e7",
                     "lessThan": "81e9d6f86476",
                     "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/aio.c"
               ],
               "versions": [
                  {
                     "version": "3.19",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.19",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.306",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.273",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.232",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.169",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.95",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.13",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.2",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/808f1e4b5723ae4eda724d2ad6f6638905eefd95"
            },
            {
               "url": "https://git.kernel.org/stable/c/d8dca1bfe9adcae38b35add64977818c0c13dd22"
            },
            {
               "url": "https://git.kernel.org/stable/c/4326d0080f7e84fba775da41d158f46cf9d3f1c2"
            },
            {
               "url": "https://git.kernel.org/stable/c/c261f798f7baa8080cf0214081d43d5f86bb073f"
            },
            {
               "url": "https://git.kernel.org/stable/c/178993157e8c50aef7f35d7d6d3b44bb428199e1"
            },
            {
               "url": "https://git.kernel.org/stable/c/af126acf01a12bdb04986fd26fc2eb3b40249e0d"
            },
            {
               "url": "https://git.kernel.org/stable/c/81e9d6f8647650a7bead74c5f926e29970e834d1"
            }
         ],
         "title": "aio: fix mremap after fork null-deref",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52646",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}