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CVE-2024-49891 (GCVE-0-2024-49891)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:01 – Updated: 2026-05-11 20:41
VLAI
Title
scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths When the HBA is undergoing a reset or is handling an errata event, NULL ptr dereference crashes may occur in routines such as lpfc_sli_flush_io_rings(), lpfc_dev_loss_tmo_callbk(), or lpfc_abort_handler(). Add NULL ptr checks before dereferencing hdwq pointers that may have been freed due to operations colliding with a reset or errata event handler.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:44 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 895427bd012ce5814fc9888c7c0ee9de44761833 , < 5873aa7f814754085d418848b2089ef406a02dd0 (git)
Affected: 895427bd012ce5814fc9888c7c0ee9de44761833 , < 232a138bd843d48cb2368f604646d990db7640f3 (git)
Affected: 895427bd012ce5814fc9888c7c0ee9de44761833 , < 99a801e2fca39a6f31e543fc3383058a8955896f (git)
Affected: 895427bd012ce5814fc9888c7c0ee9de44761833 , < fd665c8dbdb19548965b0ae80c490de00e906366 (git)
Affected: 895427bd012ce5814fc9888c7c0ee9de44761833 , < 2be1d4f11944cd6283cb97268b3e17c4424945ca (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html\"}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2025-11-03T20:41:36.767Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-49891\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T13:44:17.771940Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T13:44:22.235Z\"}}], \"cna\": {\"title\": \"scsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"895427bd012ce5814fc9888c7c0ee9de44761833\", \"lessThan\": \"5873aa7f814754085d418848b2089ef406a02dd0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"895427bd012ce5814fc9888c7c0ee9de44761833\", \"lessThan\": \"232a138bd843d48cb2368f604646d990db7640f3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"895427bd012ce5814fc9888c7c0ee9de44761833\", \"lessThan\": \"99a801e2fca39a6f31e543fc3383058a8955896f\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"895427bd012ce5814fc9888c7c0ee9de44761833\", \"lessThan\": \"fd665c8dbdb19548965b0ae80c490de00e906366\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"895427bd012ce5814fc9888c7c0ee9de44761833\", \"lessThan\": \"2be1d4f11944cd6283cb97268b3e17c4424945ca\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/scsi/lpfc/lpfc_hbadisc.c\", \"drivers/scsi/lpfc/lpfc_scsi.c\", \"drivers/scsi/lpfc/lpfc_sli.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.11\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.11\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.120\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.64\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/scsi/lpfc/lpfc_hbadisc.c\", \"drivers/scsi/lpfc/lpfc_scsi.c\", \"drivers/scsi/lpfc/lpfc_sli.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5873aa7f814754085d418848b2089ef406a02dd0\"}, {\"url\": \"https://git.kernel.org/stable/c/232a138bd843d48cb2368f604646d990db7640f3\"}, {\"url\": \"https://git.kernel.org/stable/c/99a801e2fca39a6f31e543fc3383058a8955896f\"}, {\"url\": \"https://git.kernel.org/stable/c/fd665c8dbdb19548965b0ae80c490de00e906366\"}, {\"url\": \"https://git.kernel.org/stable/c/2be1d4f11944cd6283cb97268b3e17c4424945ca\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: lpfc: Validate hdwq pointers before dereferencing in reset/errata paths\\n\\nWhen the HBA is undergoing a reset or is handling an errata event, NULL ptr\\ndereference crashes may occur in routines such as\\nlpfc_sli_flush_io_rings(), lpfc_dev_loss_tmo_callbk(), or\\nlpfc_abort_handler().\\n\\nAdd NULL ptr checks before dereferencing hdwq pointers that may have been\\nfreed due to operations colliding with a reset or errata event handler.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.120\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.64\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"4.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"4.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-01-05T10:54:15.472Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49891\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-01-05T10:54:15.472Z\", \"dateReserved\": \"2024-10-21T12:17:06.025Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:01:26.314Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.