{
   "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 NULL pointer dereference in gfs2_log_flush\n\nIn gfs2_jindex_free(), set sdp->sd_jdesc to NULL under the log flush\nlock to provide exclusion against gfs2_log_flush().\n\nIn gfs2_log_flush(), check if sdp->sd_jdesc is non-NULL before\ndereferencing it.  Otherwise, we could run into a NULL pointer\ndereference when outstanding glock work races with an unmount\n(glock_work_func -> run_queue -> do_xmote -> inode_go_sync ->\ngfs2_log_flush)."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "fs/gfs2/log.c",
                  "fs/gfs2/super.c"
               ],
               "versions": [
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "3429ef5f5090",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "f54f9d5368a4",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "1da177e4c3f4",
                     "lessThan": "35264909e9d1",
                     "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/log.c",
                  "fs/gfs2/super.c"
               ],
               "versions": [
                  {
                     "version": "6.6.37",
                     "lessThanOrEqual": "6.6.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.9.8",
                     "lessThanOrEqual": "6.9.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.10",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/3429ef5f50909cee9e498c50f0c499b9397116ce"
            },
            {
               "url": "https://git.kernel.org/stable/c/f54f9d5368a4e92ede7dd078a62788dae3a7c6ef"
            },
            {
               "url": "https://git.kernel.org/stable/c/35264909e9d1973ab9aaa2a1b07cda70f12bb828"
            }
         ],
         "title": "gfs2: Fix NULL pointer dereference in gfs2_log_flush",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2024-42079",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}