usn-5803-1
Vulnerability from osv_ubuntu
Published
2023-01-13 02:04
Modified
2026-06-03 10:45
Summary
linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-hwe-5.15, linux-ibm, linux-kvm, linux-oracle, linux-raspi, vulnerabilities
Details

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2022-4378)

Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896)

It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643)

It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)

References
To clipboard 

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        "5.15.0-1021.23",
        "5.15.0-1022.24"
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    }
  ],
  "aliases": [],
  "details": "Kyle Zeng discovered that the sysctl implementation in the Linux kernel\ncontained a stack-based buffer overflow. A local attacker could use this to\ncause a denial of service (system crash) or execute arbitrary code.\n(CVE-2022-4378)\n\nTam\u00e1s Koczka discovered that the Bluetooth L2CAP handshake implementation\nin the Linux kernel contained multiple use-after-free vulnerabilities. A\nphysically proximate attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2022-42896)\n\nIt was discovered that the Xen netback driver in the Linux kernel did not\nproperly handle packets structured in certain ways. An attacker in a guest\nVM could possibly use this to cause a denial of service (host NIC\navailability). (CVE-2022-3643)\n\nIt was discovered that an integer overflow vulnerability existed in the\nBluetooth subsystem in the Linux kernel. A physically proximate attacker\ncould use this to cause a denial of service (system crash).\n(CVE-2022-45934)\n",
  "id": "USN-5803-1",
  "modified": "2026-06-03T10:45:31Z",
  "published": "2023-01-13T02:04:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5803-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-3643"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-4378"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-42896"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-45934"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-gcp, linux-gcp-5.15, linux-hwe-5.15, linux-ibm, linux-kvm, linux-oracle, linux-raspi, vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2022-3643",
    "UBUNTU-CVE-2022-4378",
    "UBUNTU-CVE-2022-42896",
    "UBUNTU-CVE-2022-45934"
  ]
}



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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.