usn-5600-1
Vulnerability from osv_ubuntu
Published
2022-09-05 22:33
Modified
2026-06-03 10:45
Summary
linux-hwe-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": [
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                  "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": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2021-33656",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
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        }
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  ],
  "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-5600-1",
  "modified": "2026-06-03T10:45:30Z",
  "published": "2022-09-05T22:33:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5600-1"
    },
    {
      "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-hwe-5.4 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-33061",
    "UBUNTU-CVE-2021-33656"
  ]
}



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Detection rules are retrieved from Rulezet.