{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump\n\nSyzkaller has reported a NULL pointer dereference when accessing\nrgd->rd_rgl in gfs2_rgrp_dump().  This can happen when creating\nrgd->rd_gl fails in read_rindex_entry().  Add a NULL pointer check in\ngfs2_rgrp_dump() to prevent that."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/gfs2/rgrp.c"
               ],
               "versions": [
                  {
                     "version": "72244b6bc752",
                     "lessThan": "efc8ef87ab91",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "5c28478af371",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "ee0586d73cba",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "d69d7804cf9e",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "067a7c48c2c7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "c323efd620c7",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "72244b6bc752",
                     "lessThan": "8877243beafa",
                     "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/gfs2/rgrp.c"
               ],
               "versions": [
                  {
                     "version": "4.20",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "4.20",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.268",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.209",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.148",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.75",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.6.14",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.7.2",
                     "lessThanOrEqual": "6.7.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.8",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/efc8ef87ab9185a23d5676f2f7d986022d91bcde"
            },
            {
               "url": "https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37"
            },
            {
               "url": "https://git.kernel.org/stable/c/ee0586d73cbaf0e7058bc640d62a9daf2dfa9178"
            },
            {
               "url": "https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a"
            },
            {
               "url": "https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05"
            },
            {
               "url": "https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a"
            },
            {
               "url": "https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa"
            }
         ],
         "title": "gfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump",
         "x_generator": {
            "engine": "bippy-a5840b7849dd"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52448",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}