cve/published/2021/CVE-2021-47123.json

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         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: fix ltout double free on completion race\n\nAlways remove linked timeout on io_link_timeout_fn() from the master\nrequest link list, otherwise we may get use-after-free when first\nio_link_timeout_fn() puts linked timeout in the fail path, and then\nwill be found and put on master's free."
            }
         ],
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               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/io_uring.c"
               ],
               "versions": [
                  {
                     "version": "90cd7e424969d29aff653333b4dcb4e2e199d791",
                     "lessThan": "1f64f5e903b9d1d157875721e02adadc9d6f0a5d",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "90cd7e424969d29aff653333b4dcb4e2e199d791",
                     "lessThan": "447c19f3b5074409c794b350b10306e1da1ef4ba",
                     "status": "affected",
                     "versionType": "git"
                  }
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            },
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               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/io_uring.c"
               ],
               "versions": [
                  {
                     "version": "5.11",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "5.11",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.12.10",
                     "lessThanOrEqual": "5.12.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "5.13",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
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                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
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                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.11",
                           "versionEndExcluding": "5.12.10"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "5.11",
                           "versionEndExcluding": "5.13"
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         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/1f64f5e903b9d1d157875721e02adadc9d6f0a5d"
            },
            {
               "url": "https://git.kernel.org/stable/c/447c19f3b5074409c794b350b10306e1da1ef4ba"
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         ],
         "title": "io_uring: fix ltout double free on completion race",
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   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47123",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
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