{
   "containers": {
      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngsmi: fix null-deref in gsmi_get_variable\n\nWe can get EFI variables without fetching the attribute, so we must\nallow for that in gsmi.\n\ncommit 859748255b43 (\"efi: pstore: Omit efivars caching EFI varstore\naccess layer\") added a new get_variable call with attr=NULL, which\ntriggers panic in gsmi."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/firmware/google/gsmi.c"
               ],
               "versions": [
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "ee5763ef829b",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "32313c11bdc8",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "ffef77794fb5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "ae2a9dcc8caa",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "eb0421d90f91",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "6646d769fdb0",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "74c5b31c6618",
                     "lessThan": "a769b05eeed7",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "drivers/firmware/google/gsmi.c"
               ],
               "versions": [
                  {
                     "version": "3.0",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "3.0",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.14.304",
                     "lessThanOrEqual": "4.14.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "4.19.271",
                     "lessThanOrEqual": "4.19.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.4.230",
                     "lessThanOrEqual": "5.4.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.10.165",
                     "lessThanOrEqual": "5.10.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "5.15.90",
                     "lessThanOrEqual": "5.15.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.1.8",
                     "lessThanOrEqual": "6.1.*",
                     "status": "unaffected",
                     "versionType": "custom"
                  },
                  {
                     "version": "6.2",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/ee5763ef829bd923033510de6d1df7c73f085e4b"
            },
            {
               "url": "https://git.kernel.org/stable/c/32313c11bdc8a02c577abaf865be3664ab30410a"
            },
            {
               "url": "https://git.kernel.org/stable/c/ffef77794fb5f1245c3249b86342bad2299accb5"
            },
            {
               "url": "https://git.kernel.org/stable/c/ae2a9dcc8caa60b1e14671294e5ec902ea5d1dfd"
            },
            {
               "url": "https://git.kernel.org/stable/c/eb0421d90f916dffe96b4c049ddf01c0c50620d2"
            },
            {
               "url": "https://git.kernel.org/stable/c/6646d769fdb0ce4318ef9afd127f8526d1ca8393"
            },
            {
               "url": "https://git.kernel.org/stable/c/a769b05eeed7accc4019a1ed9799dd72067f1ce8"
            }
         ],
         "title": "gsmi: fix null-deref in gsmi_get_variable",
         "x_generator": {
            "engine": "bippy-c9c4e1df01b2"
         }
      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2023-52893",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}