usn-8112-4
Vulnerability from osv_ubuntu
Published
2026-03-24 11:42
Modified
2026-06-03 10:46
Summary
linux-azure-fips vulnerabilities
Details

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - x86 architecture; - MMC subsystem; - Network drivers; - USB Device Class drivers; - BTRFS file system; - HFS+ file system; - XFRM subsystem; - IPv4 networking; - IPv6 networking; - MAC80211 subsystem; - Simplified Mandatory Access Control Kernel framework; (CVE-2021-47599, CVE-2022-48875, CVE-2022-49267, CVE-2024-47659, CVE-2024-49927, CVE-2024-56548, CVE-2024-56581, CVE-2024-56593, CVE-2025-21704, CVE-2025-40215)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2021-47599",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2022-48875",
              "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-2022-49267",
              "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"
                }
              ]
            },
            {
              "id": "CVE-2024-47659",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-49927",
              "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-2024-56548",
              "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": "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"
                }
              ]
            },
            {
              "id": "CVE-2024-56581",
              "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": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-56593",
              "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": "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-2025-21704",
              "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": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-40215",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:FIPS-updates:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "linux-azure-fips-cloud-tools-4.15.0-2106",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-azure-fips-headers-4.15.0-2106",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-azure-fips-tools-4.15.0-2106",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-buildinfo-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-cloud-tools-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-headers-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-image-unsigned-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-image-unsigned-hmac-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-modules-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-modules-extra-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          },
          {
            "binary_name": "linux-tools-4.15.0-2106-azure-fips",
            "binary_version": "4.15.0-2106.112"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:FIPS-updates:18.04:LTS",
        "name": "linux-azure-fips",
        "purl": "pkg:deb/ubuntu/linux-azure-fips@4.15.0-2106.112?arch=source\u0026distro=fips-updates/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-2106.112"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.15.0-1002.2",
        "4.15.0-2006.7",
        "4.15.0-2007.8",
        "4.15.0-2008.9",
        "4.15.0-2009.10",
        "4.15.0-2012.14",
        "4.15.0-2013.15",
        "4.15.0-2015.17",
        "4.15.0-2016.18",
        "4.15.0-2017.20",
        "4.15.0-2018.21",
        "4.15.0-2020.23",
        "4.15.0-2021.24",
        "4.15.0-2022.25",
        "4.15.0-2023.26",
        "4.15.0-2024.27",
        "4.15.0-2025.28",
        "4.15.0-2026.29",
        "4.15.0-2027.30",
        "4.15.0-2030.33",
        "4.15.0-2033.37",
        "4.15.0-2034.38",
        "4.15.0-2035.39",
        "4.15.0-2036.40",
        "4.15.0-2037.41",
        "4.15.0-2038.42",
        "4.15.0-2039.43",
        "4.15.0-2041.45",
        "4.15.0-2042.46",
        "4.15.0-2043.47",
        "4.15.0-2045.49",
        "4.15.0-2046.50",
        "4.15.0-2047.51",
        "4.15.0-2048.52",
        "4.15.0-2049.53",
        "4.15.0-2050.54",
        "4.15.0-2053.58",
        "4.15.0-2056.62",
        "4.15.0-2057.63",
        "4.15.0-2059.65",
        "4.15.0-2060.66",
        "4.15.0-2062.68",
        "4.15.0-2066.72",
        "4.15.0-2067.73",
        "4.15.0-2068.74",
        "4.15.0-2070.76",
        "4.15.0-2071.77",
        "4.15.0-2072.78",
        "4.15.0-2073.79",
        "4.15.0-2074.80",
        "4.15.0-2075.81",
        "4.15.0-2076.82",
        "4.15.0-2077.83",
        "4.15.0-2078.84",
        "4.15.0-2079.85",
        "4.15.0-2080.86",
        "4.15.0-2081.87",
        "4.15.0-2082.88",
        "4.15.0-2084.90",
        "4.15.0-2085.91",
        "4.15.0-2086.92",
        "4.15.0-2087.93",
        "4.15.0-2088.94",
        "4.15.0-2089.95",
        "4.15.0-2090.96",
        "4.15.0-2091.97",
        "4.15.0-2092.98",
        "4.15.0-2093.99",
        "4.15.0-2094.100",
        "4.15.0-2095.101",
        "4.15.0-2096.102",
        "4.15.0-2097.103",
        "4.15.0-2098.104",
        "4.15.0-2099.105",
        "4.15.0-2100.106",
        "4.15.0-2101.107",
        "4.15.0-2102.108",
        "4.15.0-2104.110",
        "4.15.0-2105.111"
      ]
    }
  ],
  "aliases": [],
  "details": "Several security issues were discovered in the Linux kernel.\nAn attacker could possibly use these to compromise the system.\nThis update corrects flaws in the following subsystems:\n  - x86 architecture;\n  - MMC subsystem;\n  - Network drivers;\n  - USB Device Class drivers;\n  - BTRFS file system;\n  - HFS+ file system;\n  - XFRM subsystem;\n  - IPv4 networking;\n  - IPv6 networking;\n  - MAC80211 subsystem;\n  - Simplified Mandatory Access Control Kernel framework;\n(CVE-2021-47599, CVE-2022-48875, CVE-2022-49267, CVE-2024-47659,\nCVE-2024-49927, CVE-2024-56548, CVE-2024-56581, CVE-2024-56593,\nCVE-2025-21704, CVE-2025-40215)\n",
  "id": "USN-8112-4",
  "modified": "2026-06-03T10:46:26Z",
  "published": "2026-03-24T11:42:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8112-4"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-47599"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-48875"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-49267"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-47659"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-49927"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-56548"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-56581"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-56593"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-21704"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-40215"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-azure-fips vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2021-47599",
    "UBUNTU-CVE-2022-48875",
    "UBUNTU-CVE-2022-49267",
    "UBUNTU-CVE-2024-47659",
    "UBUNTU-CVE-2024-49927",
    "UBUNTU-CVE-2024-56548",
    "UBUNTU-CVE-2024-56581",
    "UBUNTU-CVE-2024-56593",
    "UBUNTU-CVE-2025-21704",
    "UBUNTU-CVE-2025-40215"
  ]
}



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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

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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.