CVE-2024-26945
Vulnerability from cvelistv5
Published
2024-05-01 05:18
Modified
2024-11-05 09:18
Summary
crypto: iaa - Fix nr_cpus < nr_iaa case
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "status": "affected",
                "version": "1da177e4c3f4"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:a:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "status": "unknown",
                "version": "6.8.3"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "linux_kernel",
            "vendor": "linux",
            "versions": [
              {
                "status": "unknown",
                "version": "6.9"
              }
            ]
          }
        ],
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 8.4,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-26945",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-05-16T18:02:58.634456Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-369",
                "description": "CWE-369 Divide By Zero",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-04T17:48:55.490Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T00:21:05.633Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/a5ca1be7f9817de4e93085778b3ee2219bdc2664"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://git.kernel.org/stable/c/5a7e89d3315d1be86aff8a8bf849023cda6547f7"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/intel/iaa/iaa_crypto_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a5ca1be7f981",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            },
            {
              "lessThan": "5a7e89d3315d",
              "status": "affected",
              "version": "1da177e4c3f4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/crypto/intel/iaa/iaa_crypto_main.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThanOrEqual": "6.8.*",
              "status": "unaffected",
              "version": "6.8.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.9",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: iaa - Fix nr_cpus \u003c nr_iaa case\n\nIf nr_cpus \u003c nr_iaa, the calculated cpus_per_iaa will be 0, which\ncauses a divide-by-0 in rebalance_wq_table().\n\nMake sure cpus_per_iaa is 1 in that case, and also in the nr_iaa == 0\ncase, even though cpus_per_iaa is never used if nr_iaa == 0, for\nparanoia."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:18:40.383Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a5ca1be7f9817de4e93085778b3ee2219bdc2664"
        },
        {
          "url": "https://git.kernel.org/stable/c/5a7e89d3315d1be86aff8a8bf849023cda6547f7"
        }
      ],
      "title": "crypto: iaa - Fix nr_cpus \u003c nr_iaa case",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-26945",
    "datePublished": "2024-05-01T05:18:09.112Z",
    "dateReserved": "2024-02-19T14:20:24.197Z",
    "dateUpdated": "2024-11-05T09:18:40.383Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26945\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T06:15:10.177\",\"lastModified\":\"2024-07-03T01:50:05.433\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncrypto: iaa - Fix nr_cpus \u003c nr_iaa case\\n\\nIf nr_cpus \u003c nr_iaa, the calculated cpus_per_iaa will be 0, which\\ncauses a divide-by-0 in rebalance_wq_table().\\n\\nMake sure cpus_per_iaa is 1 in that case, and also in the nr_iaa == 0\\ncase, even though cpus_per_iaa is never used if nr_iaa == 0, for\\nparanoia.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: crypto: iaa - Corrige el caso nr_cpus \u0026lt; nr_iaa Si nr_cpus \u0026lt; nr_iaa, el cpus_per_iaa calculado ser\u00e1 0, lo que provoca una divisi\u00f3n por 0 en rebalance_wq_table(). Aseg\u00farese de que cpus_per_iaa sea 1 en ese caso, y tambi\u00e9n en el caso de nr_iaa == 0, aunque cpus_per_iaa nunca se use si nr_iaa == 0, para paranoia.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.4,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":2.5,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-369\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/5a7e89d3315d1be86aff8a8bf849023cda6547f7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a5ca1be7f9817de4e93085778b3ee2219bdc2664\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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