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CVE-2024-47686 (GCVE-0-2024-47686)

Vulnerability from cvelistv5 – Published: 2024-10-21 11:53 – Updated: 2026-05-11 20:38
VLAI
Title
ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()
Summary
In the Linux kernel, the following vulnerability has been resolved: ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate() The psc->div[] array has psc->num_div elements. These values come from when we call clk_hw_register_div(). It's adc_divisors and ARRAY_SIZE(adc_divisors)) and so on. So this condition needs to be >= instead of > to prevent an out of bounds read.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-21 13:06 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 , < 7a5bd2fb92388c51d267f6ce57c40f1cca8af1e0 (git)
Affected: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 , < 66e78ade976dbd9bea09166aa8d66afc0963cde4 (git)
Affected: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 , < 27f493e141823db052586010c1532b70b164507c (git)
Affected: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 , < ae59eaf36a1ad396e9f657ec9b8b52da6206ed5f (git)
Affected: 9645ccc7bd7a16cd73c3be9dee70cd702b03be37 , < c7f06284a6427475e3df742215535ec3f6cd9662 (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "cve": "CVE-2024-47686",
      "id": "CVE-2024-47686",
      "initial_release_date": "2024-10-21T15:47:42Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "426",
      "product_status:recommended": "367",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-47686",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-47686.json",
      "version": "61"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47686\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:06:37.712927Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:06:41.044Z\"}}], \"cna\": {\"title\": \"ep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"7a5bd2fb92388c51d267f6ce57c40f1cca8af1e0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"66e78ade976dbd9bea09166aa8d66afc0963cde4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"27f493e141823db052586010c1532b70b164507c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"ae59eaf36a1ad396e9f657ec9b8b52da6206ed5f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9645ccc7bd7a16cd73c3be9dee70cd702b03be37\", \"lessThan\": \"c7f06284a6427475e3df742215535ec3f6cd9662\", \"versionType\": \"git\"}], \"programFiles\": [\"arch/arm/mach-ep93xx/clock.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.16\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.16\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"arch/arm/mach-ep93xx/clock.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/7a5bd2fb92388c51d267f6ce57c40f1cca8af1e0\"}, {\"url\": \"https://git.kernel.org/stable/c/66e78ade976dbd9bea09166aa8d66afc0963cde4\"}, {\"url\": \"https://git.kernel.org/stable/c/27f493e141823db052586010c1532b70b164507c\"}, {\"url\": \"https://git.kernel.org/stable/c/ae59eaf36a1ad396e9f657ec9b8b52da6206ed5f\"}, {\"url\": \"https://git.kernel.org/stable/c/c7f06284a6427475e3df742215535ec3f6cd9662\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nep93xx: clock: Fix off by one in ep93xx_div_recalc_rate()\\n\\nThe psc-\u003ediv[] array has psc-\u003enum_div elements.  These values come from\\nwhen we call clk_hw_register_div().  It\u0027s adc_divisors and\\nARRAY_SIZE(adc_divisors)) and so on.  So this condition needs to be \u003e=\\ninstead of \u003e to prevent an out of bounds read.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.54\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.13\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"5.16\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:37:20.709Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47686\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:37:20.709Z\", \"dateReserved\": \"2024-09-30T16:00:12.941Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:27.144Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.