cve-2024-43889
Vulnerability from cvelistv5
Published
2024-08-26 10:10
Modified
2024-11-05 09:41
Severity ?
Summary
padata: Fix possible divide-by-0 panic in padata_mt_helper()
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905Patch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-43889",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T15:29:28.630880Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:32:58.618Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "kernel/padata.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "kernel/padata.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.8"
            },
            {
              "lessThan": "5.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.224",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.165",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.105",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.46",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.10.*",
              "status": "unaffected",
              "version": "6.10.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.11",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npadata: Fix possible divide-by-0 panic in padata_mt_helper()\n\nWe are hit with a not easily reproducible divide-by-0 panic in padata.c at\nbootup time.\n\n  [   10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI\n  [   10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1\n  [   10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021\n  [   10.017908] Workqueue: events_unbound padata_mt_helper\n  [   10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0\n    :\n  [   10.017963] Call Trace:\n  [   10.017968]  \u003cTASK\u003e\n  [   10.018004]  ? padata_mt_helper+0x39/0xb0\n  [   10.018084]  process_one_work+0x174/0x330\n  [   10.018093]  worker_thread+0x266/0x3a0\n  [   10.018111]  kthread+0xcf/0x100\n  [   10.018124]  ret_from_fork+0x31/0x50\n  [   10.018138]  ret_from_fork_asm+0x1a/0x30\n  [   10.018147]  \u003c/TASK\u003e\n\nLooking at the padata_mt_helper() function, the only way a divide-by-0\npanic can happen is when ps-\u003echunk_size is 0.  The way that chunk_size is\ninitialized in padata_do_multithreaded(), chunk_size can be 0 when the\nmin_chunk in the passed-in padata_mt_job structure is 0.\n\nFix this divide-by-0 panic by making sure that chunk_size will be at least\n1 no matter what the input parameters are."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-11-05T09:41:52.309Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10d"
        },
        {
          "url": "https://git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09f"
        },
        {
          "url": "https://git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2c"
        },
        {
          "url": "https://git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905"
        },
        {
          "url": "https://git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730c"
        }
      ],
      "title": "padata: Fix possible divide-by-0 panic in padata_mt_helper()",
      "x_generator": {
        "engine": "bippy-9e1c9544281a"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-43889",
    "datePublished": "2024-08-26T10:10:42.270Z",
    "dateReserved": "2024-08-17T09:11:59.288Z",
    "dateUpdated": "2024-11-05T09:41:52.309Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-43889\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-26T11:15:03.980\",\"lastModified\":\"2024-08-27T14:38:09.340\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npadata: Fix possible divide-by-0 panic in padata_mt_helper()\\n\\nWe are hit with a not easily reproducible divide-by-0 panic in padata.c at\\nbootup time.\\n\\n  [   10.017908] Oops: divide error: 0000 1 PREEMPT SMP NOPTI\\n  [   10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 Not tainted 6.10.0-15.el10.x86_64 #1\\n  [   10.017908] Hardware name: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 07/20/2021\\n  [   10.017908] Workqueue: events_unbound padata_mt_helper\\n  [   10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0\\n    :\\n  [   10.017963] Call Trace:\\n  [   10.017968]  \u003cTASK\u003e\\n  [   10.018004]  ? padata_mt_helper+0x39/0xb0\\n  [   10.018084]  process_one_work+0x174/0x330\\n  [   10.018093]  worker_thread+0x266/0x3a0\\n  [   10.018111]  kthread+0xcf/0x100\\n  [   10.018124]  ret_from_fork+0x31/0x50\\n  [   10.018138]  ret_from_fork_asm+0x1a/0x30\\n  [   10.018147]  \u003c/TASK\u003e\\n\\nLooking at the padata_mt_helper() function, the only way a divide-by-0\\npanic can happen is when ps-\u003echunk_size is 0.  The way that chunk_size is\\ninitialized in padata_do_multithreaded(), chunk_size can be 0 when the\\nmin_chunk in the passed-in padata_mt_job structure is 0.\\n\\nFix this divide-by-0 panic by making sure that chunk_size will be at least\\n1 no matter what the input parameters are.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: padata: corrige un posible p\u00e1nico de divisi\u00f3n por 0 en padata_mt_helper() Nos encontramos con un p\u00e1nico de divisi\u00f3n por 0 que no es f\u00e1cilmente reproducible en padata.c en el momento del arranque. [ 10.017908] Vaya: error de divisi\u00f3n: 0000 1 PREEMPT SMP NOPTI [ 10.017908] CPU: 26 PID: 2627 Comm: kworker/u1666:1 No contaminado 6.10.0-15.el10.x86_64 #1 [ 10.017908] Nombre del hardware: Lenovo ThinkSystem SR950 [7X12CTO1WW]/[7X12CTO1WW], BIOS [PSE140J-2.30] 20/07/2021 [10.017908] Cola de trabajo: events_unbound padata_mt_helper [10.017908] RIP: 0010:padata_mt_helper+0x39/0xb0: [ 10.017963] Seguimiento de llamadas: [ 10.017968] \u0026lt; TAREA\u0026gt; [10.018004] ? padata_mt_helper+0x39/0xb0 [ 10.018084] proceso_one_work+0x174/0x330 [ 10.018093] trabajador_thread+0x266/0x3a0 [ 10.018111] kthread+0xcf/0x100 [ 10.018124] 1/0x50 [ 10.018138] ret_from_fork_asm+0x1a/0x30 [ 10.018147]  Mirando la funci\u00f3n padata_mt_helper(), la \u00fanica forma en que puede ocurrir un p\u00e1nico de divisi\u00f3n por 0 es cuando ps-\u0026gt;chunk_size es 0. La forma en que chunk_size se inicializa en padata_do_multithreaded(), chunk_size puede ser 0 cuando min_chunk en la estructura pasada padata_mt_job es 0. Solucione este p\u00e1nico de divisi\u00f3n por 0 asegur\u00e1ndose de que chunk_size sea al menos 1 sin importar cu\u00e1les sean los par\u00e1metros de entrada.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"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\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-369\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8\",\"versionEndExcluding\":\"5.10.224\",\"matchCriteriaId\":\"8DCF7301-712B-425B-85EB-C0E15024C5E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.165\",\"matchCriteriaId\":\"B4E2B568-3171-41DE-B519-F2B1A3600D94\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.105\",\"matchCriteriaId\":\"89BEB24B-0F37-4C92-A397-564DA7CD8EE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.46\",\"matchCriteriaId\":\"FA11941E-81FB-484C-B583-881EEB488340\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.10.5\",\"matchCriteriaId\":\"D074AE50-4A5E-499C-A2FD-75FD60DEA560\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"8B3CE743-2126-47A3-8B7C-822B502CF119\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4DEB27E7-30AA-45CC-8934-B89263EF3551\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/6d45e1c948a8b7ed6ceddb14319af69424db730c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8f5ffd2af7274853ff91d6cd62541191d9fbd10d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/924f788c906dccaca30acab86c7124371e1d6f2c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/a29cfcb848c31f22b4de6a531c3e1d68c9bfe09f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/ab8b397d5997d8c37610252528edc54bebf9f6d3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/da0ffe84fcc1627a7dff82c80b823b94236af905\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


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