cve/published/2021/CVE-2021-47116.json

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         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\next4: fix memory leak in ext4_mb_init_backend on error path.\n\nFix a memory leak discovered by syzbot when a file system is corrupted\nwith an illegally large s_log_groups_per_flex."
            }
         ],
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               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/ext4/mballoc.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                     "lessThan": "2050c6e5b161e5e25ce3c420fef58b24fa388a49",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                     "lessThan": "04fb2baa0b147f51db065a1b13a11954abe592d0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
                     "lessThan": "a8867f4e3809050571c98de7a2d465aff5e4daf5",
                     "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/ext4/mballoc.c"
               ],
               "versions": [
                  {
                     "version": "5.10.43",
                     "lessThanOrEqual": "5.10.*",
                     "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": [
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               "nodes": [
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                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionEndExcluding": "5.10.43"
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                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionEndExcluding": "5.12.10"
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                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionEndExcluding": "5.13"
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         "references": [
            {
               "url": "https://git.kernel.org/stable/c/2050c6e5b161e5e25ce3c420fef58b24fa388a49"
            },
            {
               "url": "https://git.kernel.org/stable/c/04fb2baa0b147f51db065a1b13a11954abe592d0"
            },
            {
               "url": "https://git.kernel.org/stable/c/a8867f4e3809050571c98de7a2d465aff5e4daf5"
            }
         ],
         "title": "ext4: fix memory leak in ext4_mb_init_backend on error path.",
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   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2021-47116",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
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