cve-2024-56573
Vulnerability from cvelistv5
Published
2024-12-27 14:23
Modified
2025-01-20 06:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: efi/libstub: Free correct pointer on failure cmdline_ptr is an out parameter, which is not allocated by the function itself, and likely points into the caller's stack. cmdline refers to the pool allocation that should be freed when cleaning up after a failure, so pass this instead to free_pool().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/06d39d79cbd5a91a33707951ebf2512d0e759847
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d173aee5709bd0994d216d60589ec67f8b11376a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf
Impacted products
Vendor Product Version
Linux Linux Version: 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9
Version: 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9
Version: 42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9
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   Linux Linux Version: 6.2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/firmware/efi/libstub/efi-stub.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "d173aee5709bd0994d216d60589ec67f8b11376a",
              "status": "affected",
              "version": "42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9",
              "versionType": "git"
            },
            {
              "lessThan": "eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf",
              "status": "affected",
              "version": "42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9",
              "versionType": "git"
            },
            {
              "lessThan": "06d39d79cbd5a91a33707951ebf2512d0e759847",
              "status": "affected",
              "version": "42c8ea3dca094ab82776ca706fb7a9cbe8ac3dc9",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/firmware/efi/libstub/efi-stub.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.2"
            },
            {
              "lessThan": "6.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.13",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nefi/libstub: Free correct pointer on failure\n\ncmdline_ptr is an out parameter, which is not allocated by the function\nitself, and likely points into the caller\u0027s stack.\n\ncmdline refers to the pool allocation that should be freed when cleaning\nup after a failure, so pass this instead to free_pool()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-01-20T06:23:20.837Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/d173aee5709bd0994d216d60589ec67f8b11376a"
        },
        {
          "url": "https://git.kernel.org/stable/c/eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf"
        },
        {
          "url": "https://git.kernel.org/stable/c/06d39d79cbd5a91a33707951ebf2512d0e759847"
        }
      ],
      "title": "efi/libstub: Free correct pointer on failure",
      "x_generator": {
        "engine": "bippy-5f407fcff5a0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-56573",
    "datePublished": "2024-12-27T14:23:16.231Z",
    "dateReserved": "2024-12-27T14:03:05.998Z",
    "dateUpdated": "2025-01-20T06:23:20.837Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-56573\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-12-27T15:15:16.320\",\"lastModified\":\"2024-12-27T15:15:16.320\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nefi/libstub: Free correct pointer on failure\\n\\ncmdline_ptr is an out parameter, which is not allocated by the function\\nitself, and likely points into the caller\u0027s stack.\\n\\ncmdline refers to the pool allocation that should be freed when cleaning\\nup after a failure, so pass this instead to free_pool().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/06d39d79cbd5a91a33707951ebf2512d0e759847\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d173aee5709bd0994d216d60589ec67f8b11376a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/eaafbcf0a5782ae412ca7de12ef83fc48ccea4cf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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