usn-5299-1
Vulnerability from osv_ubuntu
Published
2022-02-22 10:16
Modified
2026-06-29 10:52
Summary
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
Details

Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation could reassemble mixed encrypted and plaintext fragments. A physically proximate attacker could possibly use this issue to inject packets or exfiltrate selected fragments. (CVE-2020-26147)

It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform access control. An authenticated attacker could possibly use this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)

It was discovered that the RPA PCI Hotplug driver implementation in the Linux kernel did not properly handle device name writes via sysfs, leading to a buffer overflow. A privileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-28972)

It was discovered that a use-after-free existed in the Bluetooth HCI driver of the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-33034)

Norbert Slusarek discovered that the CAN broadcast manger (bcm) protocol implementation in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2021-34693)

马哲宇 discovered that the IEEE 1394 (Firewire) nosy packet sniffer driver in the Linux kernel did not properly perform reference counting in some situations, 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-2021-3483)

It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a double-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-3564)

Murray McAllister discovered that the joystick device interface in the Linux kernel did not properly validate data passed via an ioctl(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code on systems with a joystick device registered. (CVE-2021-3612)

It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. (CVE-2021-3679)

It was discovered that the MAX-3421 host USB device driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-38204)

It was discovered that the 6pack network protocol driver in the Linux kernel did not properly perform validation checks. A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-42008)

Amit Klein discovered that the IPv6 implementation in the Linux kernel could disclose internal state in some situations. An attacker could possibly use this to expose sensitive information. (CVE-2021-45485)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2020-26147",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:L/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2020-26558",
              "severity": [
                {
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                  "type": "CVSS_V3"
                },
                {
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                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
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            },
            {
              "id": "CVE-2021-0129",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
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                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
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              ]
            },
            {
              "id": "CVE-2021-3483",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
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            {
              "id": "CVE-2021-3564",
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                  "type": "CVSS_V3"
                },
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            {
              "id": "CVE-2021-3612",
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                {
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                  "type": "CVSS_V3"
                },
                {
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            },
            {
              "id": "CVE-2021-3679",
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                {
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                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
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            },
            {
              "id": "CVE-2021-28972",
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              "severity": [
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                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
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                {
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                  "type": "Ubuntu"
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            {
              "id": "CVE-2021-3564",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-3612",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
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              ]
            },
            {
              "id": "CVE-2021-3679",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
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              ]
            },
            {
              "id": "CVE-2021-28972",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-33034",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
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                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
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            {
              "id": "CVE-2021-34693",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
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                  "score": "low",
                  "type": "Ubuntu"
                }
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            {
              "id": "CVE-2021-38204",
              "severity": [
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                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
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                  "score": "low",
                  "type": "Ubuntu"
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              "severity": [
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                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
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            },
            {
              "id": "CVE-2021-45485",
              "severity": [
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                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
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                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
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          ],
          "ecosystem": "Ubuntu:Pro:14.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
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          {
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            },
            {
              "id": "CVE-2021-42008",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-45485",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-cloud-tools-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-headers-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-image-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-kvm-cloud-tools-4.4.0-1100",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-kvm-headers-4.4.0-1100",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-kvm-tools-4.4.0-1100",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-modules-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          },
          {
            "binary_name": "linux-tools-4.4.0-1100-kvm",
            "binary_version": "4.4.0-1100.109"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "linux-kvm",
        "purl": "pkg:deb/ubuntu/linux-kvm@4.4.0-1100.109?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.4.0-1100.109"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.4.0-1004.9",
        "4.4.0-1007.12",
        "4.4.0-1008.13",
        "4.4.0-1009.14",
        "4.4.0-1010.15",
        "4.4.0-1012.17",
        "4.4.0-1013.18",
        "4.4.0-1015.20",
        "4.4.0-1017.22",
        "4.4.0-1019.24",
        "4.4.0-1020.25",
        "4.4.0-1021.26",
        "4.4.0-1023.28",
        "4.4.0-1026.31",
        "4.4.0-1027.32",
        "4.4.0-1029.34",
        "4.4.0-1031.37",
        "4.4.0-1032.38",
        "4.4.0-1033.39",
        "4.4.0-1035.41",
        "4.4.0-1036.42",
        "4.4.0-1037.43",
        "4.4.0-1038.44",
        "4.4.0-1039.45",
        "4.4.0-1040.46",
        "4.4.0-1041.47",
        "4.4.0-1043.49",
        "4.4.0-1044.50",
        "4.4.0-1046.52",
        "4.4.0-1047.53",
        "4.4.0-1048.55",
        "4.4.0-1051.58",
        "4.4.0-1052.59",
        "4.4.0-1054.61",
        "4.4.0-1056.63",
        "4.4.0-1058.65",
        "4.4.0-1059.66",
        "4.4.0-1060.67",
        "4.4.0-1062.69",
        "4.4.0-1063.70",
        "4.4.0-1064.71",
        "4.4.0-1065.72",
        "4.4.0-1066.73",
        "4.4.0-1068.75",
        "4.4.0-1069.76",
        "4.4.0-1070.77",
        "4.4.0-1071.78",
        "4.4.0-1075.82",
        "4.4.0-1076.83",
        "4.4.0-1077.84",
        "4.4.0-1078.85",
        "4.4.0-1079.86",
        "4.4.0-1080.87",
        "4.4.0-1082.91",
        "4.4.0-1084.93",
        "4.4.0-1085.94",
        "4.4.0-1087.96",
        "4.4.0-1088.97",
        "4.4.0-1089.98",
        "4.4.0-1090.99",
        "4.4.0-1091.100",
        "4.4.0-1092.101",
        "4.4.0-1093.102",
        "4.4.0-1094.103",
        "4.4.0-1095.104",
        "4.4.0-1096.105",
        "4.4.0-1097.106",
        "4.4.0-1098.107",
        "4.4.0-1099.108"
      ]
    }
  ],
  "aliases": [],
  "details": "Mathy Vanhoef discovered that the Linux kernel\u2019s WiFi implementation could\nreassemble mixed encrypted and plaintext fragments. A physically proximate\nattacker could possibly use this issue to inject packets or exfiltrate\nselected fragments. (CVE-2020-26147)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly perform access control. An authenticated attacker could possibly\nuse this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)\n\nIt was discovered that the RPA PCI Hotplug driver implementation in the\nLinux kernel did not properly handle device name writes via sysfs, leading\nto a buffer overflow. A privileged attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code.\n(CVE-2021-28972)\n\nIt was discovered that a use-after-free existed in the Bluetooth HCI driver\nof the Linux kernel. A local attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. (CVE-2021-33034)\n\nNorbert Slusarek discovered that the CAN broadcast manger (bcm) protocol\nimplementation in the Linux kernel did not properly initialize memory in\nsome situations. A local attacker could use this to expose sensitive\ninformation (kernel memory). (CVE-2021-34693)\n\n\u9a6c\u54f2\u5b87 discovered that the IEEE 1394 (Firewire) nosy packet sniffer driver in\nthe Linux kernel did not properly perform reference counting in some\nsituations, leading to a use-after-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-3483)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle HCI device initialization failure, leading to a double-free\nvulnerability. An attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-3564)\n\nMurray McAllister discovered that the joystick device interface in the\nLinux kernel did not properly validate data passed via an ioctl(). A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code on systems with a joystick device\nregistered. (CVE-2021-3612)\n\nIt was discovered that the tracing subsystem in the Linux kernel did not\nproperly keep track of per-cpu ring buffer state. A privileged attacker\ncould use this to cause a denial of service. (CVE-2021-3679)\n\nIt was discovered that the MAX-3421 host USB device driver in the Linux\nkernel did not properly handle device removal events. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2021-38204)\n\nIt was discovered that the 6pack network protocol driver in the Linux\nkernel did not properly perform validation checks. A privileged attacker\ncould use this to cause a denial of service (system crash) or execute\narbitrary code. (CVE-2021-42008)\n\nAmit Klein discovered that the IPv6 implementation in the Linux kernel\ncould disclose internal state in some situations. An attacker could\npossibly use this to expose sensitive information. (CVE-2021-45485)\n",
  "id": "USN-5299-1",
  "modified": "2026-06-29T10:52:53Z",
  "published": "2022-02-22T10:16:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5299-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-26147"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-26558"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-0129"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3483"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3564"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3612"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3679"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-28972"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33034"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-34693"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-38204"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-42008"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-45485"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2020-26147",
    "UBUNTU-CVE-2020-26558",
    "UBUNTU-CVE-2021-0129",
    "UBUNTU-CVE-2021-3483",
    "UBUNTU-CVE-2021-3564",
    "UBUNTU-CVE-2021-3612",
    "UBUNTU-CVE-2021-3679",
    "UBUNTU-CVE-2021-28972",
    "UBUNTU-CVE-2021-33034",
    "UBUNTU-CVE-2021-34693",
    "UBUNTU-CVE-2021-38204",
    "UBUNTU-CVE-2021-42008",
    "UBUNTU-CVE-2021-45485"
  ]
}



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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.