usn-6386-3
Vulnerability from osv_ubuntu
Published
2023-10-03 20:33
Modified
2026-06-03 10:45
Summary
linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities
Details

Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii Oleksenko discovered that some AMD processors could leak stale data from division operations in certain situations. A local attacker could possibly use this to expose sensitive information. (CVE-2023-20588)

It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle L2CAP socket release, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-40283)

It was discovered that some network classifier implementations in the Linux kernel contained use-after-free vulnerabilities. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-4128)

Lonial Con discovered that the netfilter subsystem in the Linux kernel contained a memory leak when handling certain element flush operations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2023-4569)

References
To clipboard 

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        "5.15.0-1032.38",
        "5.15.0-1033.39",
        "5.15.0-1034.40",
        "5.15.0-1035.41",
        "5.15.0-1036.42",
        "5.15.0-1037.43",
        "5.15.0-1038.44",
        "5.15.0-1039.45",
        "5.15.0-1040.46",
        "5.15.0-1041.47",
        "5.15.0-1042.48"
      ]
    }
  ],
  "aliases": [],
  "details": "Jana Hofmann, Emanuele Vannacci, Cedric Fournet, Boris Kopf, and Oleksii\nOleksenko discovered that some AMD processors could leak stale data from\ndivision operations in certain situations. A local attacker could possibly\nuse this to expose sensitive information. (CVE-2023-20588)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle L2CAP socket release, leading to a use-after-free\nvulnerability. A local attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-40283)\n\nIt was discovered that some network classifier implementations in the Linux\nkernel contained use-after-free vulnerabilities. A local attacker could use\nthis to cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2023-4128)\n\nLonial Con discovered that the netfilter subsystem in the Linux kernel\ncontained a memory leak when handling certain element flush operations. A\nlocal attacker could use this to expose sensitive information (kernel\nmemory). (CVE-2023-4569)\n\n",
  "id": "USN-6386-3",
  "modified": "2026-06-03T10:45:35Z",
  "published": "2023-10-03T20:33:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6386-3"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4128"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-4569"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-20588"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-40283"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-intel-iotg, linux-intel-iotg-5.15, linux-oracle, linux-oracle-5.15 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-4128",
    "UBUNTU-CVE-2023-4569",
    "UBUNTU-CVE-2023-20588",
    "UBUNTU-CVE-2023-40283"
  ]
}



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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.