CVE-2023-52576
Vulnerability from cvelistv5
Published
2024-03-02 21:59
Modified
2024-11-04 14:49
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2023-52576",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-07-24T14:52:41.445700Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-01T15:52:22.842Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T23:03:20.880Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kernel/setup.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "eef16bfdb212",
              "status": "affected",
              "version": "fee3ff99bc67",
              "versionType": "git"
            },
            {
              "lessThan": "d2dfbc0e3b7a",
              "status": "affected",
              "version": "fee3ff99bc67",
              "versionType": "git"
            },
            {
              "lessThan": "34cf99c250d5",
              "status": "affected",
              "version": "fee3ff99bc67",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "arch/x86/kernel/setup.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.13"
            },
            {
              "lessThan": "5.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.56",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.5.*",
              "status": "unaffected",
              "version": "6.5.6",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.6",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()\n\nThe code calling ima_free_kexec_buffer() runs long after the memblock\nallocator has already been torn down, potentially resulting in a use\nafter free in memblock_isolate_range().\n\nWith KASAN or KFENCE, this use after free will result in a BUG\nfrom the idle task, and a subsequent kernel panic.\n\nSwitch ima_free_kexec_buffer() over to memblock_free_late() to avoid\nthat bug."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-04T14:49:02.804Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b"
        },
        {
          "url": "https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204"
        },
        {
          "url": "https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b"
        }
      ],
      "title": "x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2023-52576",
    "datePublished": "2024-03-02T21:59:44.545Z",
    "dateReserved": "2024-03-02T21:55:42.568Z",
    "dateUpdated": "2024-11-04T14:49:02.804Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52576\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-02T22:15:49.490\",\"lastModified\":\"2024-11-01T16:35:08.697\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nx86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()\\n\\nThe code calling ima_free_kexec_buffer() runs long after the memblock\\nallocator has already been torn down, potentially resulting in a use\\nafter free in memblock_isolate_range().\\n\\nWith KASAN or KFENCE, this use after free will result in a BUG\\nfrom the idle task, and a subsequent kernel panic.\\n\\nSwitch ima_free_kexec_buffer() over to memblock_free_late() to avoid\\nthat bug.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: x86/mm, kexec, ima: utilice memblock_free_late() desde ima_free_kexec_buffer(). El c\u00f3digo que llama a ima_free_kexec_buffer() se ejecuta mucho despu\u00e9s de que el asignador de memblock ya se haya eliminado, lo que podr\u00eda provocar un \u00daselo despu\u00e9s de forma gratuita en memblock_isolate_range(). Con KASAN o KFENCE, este Use After Free resultar\u00e1 en un ERROR de la tarea inactiva y un posterior p\u00e1nico en el kernel. Cambie ima_free_kexec_buffer() a memblock_free_late() para evitar ese error.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/34cf99c250d5cd2530b93a57b0de31d3aaf8685b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d2dfbc0e3b7a04c2d941421a958dc31c897fb204\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/eef16bfdb212da60f5144689f2967fb25b051a2b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.