USN-6495-2 (UBUNTU-CVE-2023-31085)

Vulnerability from osv_ubuntu – Published: 2023-11-30 17:38 – Updated: 2026-06-03 10:45 – Source website
VLAI
Summary
linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop vulnerabilities
Details

Yu Hao discovered that the UBI driver in the Linux kernel did not properly check for MTD with zero erasesize during device attachment. A local privileged attacker could use this to cause a denial of service (system crash). (CVE-2023-31085)

Manfred Rudigier discovered that the Intel(R) PCI-Express Gigabit (igb) Ethernet driver in the Linux kernel did not properly validate received frames that are larger than the set MTU size, leading to a buffer overflow vulnerability. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-45871)

References
To clipboard 

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    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2023-31085",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2023-45871",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-5.4.0-1081-gkeop",
            "binary_version": "5.4.0-1081.85"
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        "5.4.0-1079.83",
        "5.4.0-1080.84"
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    }
  ],
  "aliases": [],
  "details": "Yu Hao discovered that the UBI driver in the Linux kernel did not properly\ncheck for MTD with zero erasesize during device attachment. A local\nprivileged attacker could use this to cause a denial of service (system\ncrash). (CVE-2023-31085)\n\nManfred Rudigier discovered that the Intel(R) PCI-Express Gigabit (igb)\nEthernet driver in the Linux kernel did not properly validate received\nframes that are larger than the set MTU size, leading to a buffer overflow\nvulnerability. An attacker could use this to cause a denial of service\n(system crash) or possibly execute arbitrary code. (CVE-2023-45871)\n",
  "id": "USN-6495-2",
  "modified": "2026-06-03T10:45:36Z",
  "published": "2023-11-30T17:38:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6495-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-31085"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2023-45871"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gkeop vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2023-31085",
    "UBUNTU-CVE-2023-45871"
  ]
}



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