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usn-5595-1
Vulnerability from osv_ubuntu
Published
2022-09-02 21:48
Modified
2026-09-14 08:02
Summary
linux-aws-5.4, linux-azure-5.4 vulnerabilities
Details

Asaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe) Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33061)

It was discovered that the virtual terminal driver in the Linux kernel did not properly handle VGA console font changes, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-33656)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-33061",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-33656",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
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      },
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        "name": "linux-aws-5.4",
        "purl": "pkg:deb/ubuntu/linux-aws-5.4@5.4.0-1084.91~18.04.1?arch=source\u0026distro=bionic"
      },
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        "5.4.0-1080.87~18.04.1",
        "5.4.0-1081.88~18.04.1",
        "5.4.0-1083.90~18.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
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            {
              "id": "CVE-2021-33061",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-33656",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-azure-5.4-cloud-tools-5.4.0-1090",
            "binary_version": "5.4.0-1090.95~18.04.1"
          },
          {
            "binary_name": "linux-azure-5.4-headers-5.4.0-1090",
            "binary_version": "5.4.0-1090.95~18.04.1"
          },
          {
            "binary_name": "linux-azure-5.4-tools-5.4.0-1090",
            "binary_version": "5.4.0-1090.95~18.04.1"
          },
          {
            "binary_name": "linux-buildinfo-5.4.0-1090-azure",
            "binary_version": "5.4.0-1090.95~18.04.1"
          },
          {
            "binary_name": "linux-cloud-tools-5.4.0-1090-azure",
            "binary_version": "5.4.0-1090.95~18.04.1"
          },
          {
            "binary_name": "linux-headers-5.4.0-1090-azure",
            "binary_version": "5.4.0-1090.95~18.04.1"
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        "name": "linux-azure-5.4",
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        "5.4.0-1086.91~18.04.1",
        "5.4.0-1089.94~18.04.1"
      ]
    }
  ],
  "aliases": [],
  "details": "\nAsaf Modelevsky discovered that the Intel(R) 10GbE PCI Express (ixgbe)\nEthernet driver for the Linux kernel performed insufficient control flow\nmanagement. A local attacker could possibly use this to cause a denial of\nservice. (CVE-2021-33061)\n\nIt was discovered that the virtual terminal driver in the Linux kernel did\nnot properly handle VGA console font changes, leading to an out-of-bounds\nwrite. A local attacker could use this to cause a denial of service (system\ncrash) or possibly execute arbitrary code. (CVE-2021-33656)\n\n",
  "id": "USN-5595-1",
  "modified": "2026-09-14T08:02:08Z",
  "published": "2022-09-02T21:48:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5595-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33061"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-33656"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-aws-5.4, linux-azure-5.4 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-33061",
    "UBUNTU-CVE-2021-33656"
  ]
}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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