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CVE-2024-46843 (GCVE-0-2024-46843)

Vulnerability from cvelistv5 – Published: 2024-09-27 12:39 – Updated: 2026-05-11 20:37
VLAI
Title
scsi: ufs: core: Remove SCSI host only if added
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Remove SCSI host only if added If host tries to remove ufshcd driver from a UFS device it would cause a kernel panic if ufshcd_async_scan fails during ufshcd_probe_hba before adding a SCSI host with scsi_add_host and MCQ is enabled since SCSI host has been defered after MCQ configuration introduced by commit 0cab4023ec7b ("scsi: ufs: core: Defer adding host to SCSI if MCQ is supported"). To guarantee that SCSI host is removed only if it has been added, set the scsi_host_added flag to true after adding a SCSI host and check whether it is set or not before removing it.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-29 13:59 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0cab4023ec7b49b18145f74ab8389678d6d58878 , < 2f49e05d6b58d660f035a75ff96b77071b4bd5ed (git)
Affected: 0cab4023ec7b49b18145f74ab8389678d6d58878 , < 3844586e9bd9845140e1078f1e61896b576ac536 (git)
Affected: 0cab4023ec7b49b18145f74ab8389678d6d58878 , < 7cbff570dbe8907e23bba06f6414899a0fbb2fcc (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.3
Unaffected: 0 , < 6.3 (semver)
Unaffected: 6.6.51 , ≤ 6.6.* (semver)
Unaffected: 6.10.10 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-46843\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-29T13:59:19.591103Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-29T13:59:20.734Z\"}}], \"cna\": {\"title\": \"scsi: ufs: core: Remove SCSI host only if added\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"0cab4023ec7b49b18145f74ab8389678d6d58878\", \"lessThan\": \"2f49e05d6b58d660f035a75ff96b77071b4bd5ed\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0cab4023ec7b49b18145f74ab8389678d6d58878\", \"lessThan\": \"3844586e9bd9845140e1078f1e61896b576ac536\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0cab4023ec7b49b18145f74ab8389678d6d58878\", \"lessThan\": \"7cbff570dbe8907e23bba06f6414899a0fbb2fcc\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/ufs/core/ufshcd.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.3\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.3\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.51\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.10\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/ufs/core/ufshcd.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/2f49e05d6b58d660f035a75ff96b77071b4bd5ed\"}, {\"url\": \"https://git.kernel.org/stable/c/3844586e9bd9845140e1078f1e61896b576ac536\"}, {\"url\": \"https://git.kernel.org/stable/c/7cbff570dbe8907e23bba06f6414899a0fbb2fcc\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: ufs: core: Remove SCSI host only if added\\n\\nIf host tries to remove ufshcd driver from a UFS device it would cause a\\nkernel panic if ufshcd_async_scan fails during ufshcd_probe_hba before\\nadding a SCSI host with scsi_add_host and MCQ is enabled since SCSI host\\nhas been defered after MCQ configuration introduced by commit 0cab4023ec7b\\n(\\\"scsi: ufs: core: Defer adding host to SCSI if MCQ is supported\\\").\\n\\nTo guarantee that SCSI host is removed only if it has been added, set the\\nscsi_host_added flag to true after adding a SCSI host and check whether it\\nis set or not before removing it.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.51\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.10\", \"versionStartIncluding\": \"6.3\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11\", \"versionStartIncluding\": \"6.3\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:37:37.071Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-46843\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:37:37.071Z\", \"dateReserved\": \"2024-09-11T15:12:18.289Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-09-27T12:39:37.025Z\", \"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.