CVE-2023-33250 (GCVE-0-2023-33250)

Vulnerability from cvelistv5 – Published: 2023-05-21 00:00 – Updated: 2025-03-18 18:36
VLAI
Summary
The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Show details on NVD website
To clipboard 

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      "initial_release_date": "2023-04-12T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
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      "title": "kernel: use-after-free in iopt_unmap_iova_range() in Linux kernel",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJ\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lore.kernel.org/linux-iommu/ZDabT%2FuRl%2FjxFhm0%40ip-172-31-85-199.ec2.internal/T/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230622-0006/\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dbe245cdf5189e88d680379ed13901356628b650\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=804ca14d04df09bf7924bacc5ad22a4bed80c94f\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1211597\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T15:39:36.128Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.4, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"HIGH\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-33250\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-06T15:55:54.305181Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-416\", \"description\": \"CWE-416 Use After Free\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-06T15:55:55.993Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://groups.google.com/g/syzkaller/c/G6P9yecsTZ8/m/iiqFVOM9BwAJ\"}, {\"url\": \"https://lore.kernel.org/linux-iommu/ZDabT%2FuRl%2FjxFhm0%40ip-172-31-85-199.ec2.internal/T/\"}, {\"url\": \"https://security.netapp.com/advisory/ntap-20230622-0006/\"}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dbe245cdf5189e88d680379ed13901356628b650\"}, {\"url\": \"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=804ca14d04df09bf7924bacc5ad22a4bed80c94f\"}, {\"url\": \"https://bugzilla.suse.com/show_bug.cgi?id=1211597\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The Linux kernel 6.3 has a use-after-free in iopt_unmap_iova_range in drivers/iommu/iommufd/io_pagetable.c.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2024-03-25T00:41:29.411Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-33250\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-18T18:36:45.174Z\", \"dateReserved\": \"2023-05-21T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2023-05-21T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Tags
Taxonomy of the tags.





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.