cve/published/2023/CVE-2023-52926.json

{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIORING_OP_READ did not correctly consume the provided buffer list when\nread i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return).\nThis can lead to a potential use-after-free when the completion via\nio_rw_done runs at separate context."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "io_uring/rw.c"
               ],
               "versions": [
                  {
                     "version": "2b188cc1bb857a9d4701ae59aa7768b5124e262e",
                     "lessThan": "72060434a14caea20925e492310d6e680e3f9007",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2b188cc1bb857a9d4701ae59aa7768b5124e262e",
                     "lessThan": "6c27fc6a783c8a77c756dd5461b15e465020d075",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2b188cc1bb857a9d4701ae59aa7768b5124e262e",
                     "lessThan": "a08d195b586a217d76b42062f88f375a3eedda4d",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "io_uring/rw.c"
               ],
               "versions": [
                  {
                     "version": "5.1",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.1",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.1.122",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.6.68",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.7",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.1",
                           "versionEndExcluding": "6.1.122"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.1",
                           "versionEndExcluding": "6.6.68"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.1",
                           "versionEndExcluding": "6.7"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007"
            },
            {
               "url": "https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075"
            },
            {
               "url": "https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4d"
            }
         ],
         "title": "io_uring/rw: split io_read() into a helper",
         "x_generator": {
            "engine": "bippy-1.2.0"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52926",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}