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usn-8643-4
Vulnerability from osv_ubuntu
Published
2026-08-25 20:21
Modified
2026-08-25 20:21
Summary
linux-aws-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips, linux-nvidia-tegra 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: - Network drivers; - Open vSwitch; - SCTP protocol; (CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531)

References
To clipboard 

{
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            "binary_name": "linux-image-unsigned-6.8.0-1032-nvidia-tegra-rt",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-modules-6.8.0-1032-nvidia-tegra",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-modules-6.8.0-1032-nvidia-tegra-rt",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-modules-extra-6.8.0-1032-nvidia-tegra",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-modules-extra-6.8.0-1032-nvidia-tegra-rt",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-nvidia-tegra-headers-6.8.0-1032",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-nvidia-tegra-tools-6.8.0-1032",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-tools-6.8.0-1032-nvidia-tegra",
            "binary_version": "6.8.0-1032.34"
          },
          {
            "binary_name": "linux-tools-6.8.0-1032-nvidia-tegra-rt",
            "binary_version": "6.8.0-1032.34"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "linux-nvidia-tegra",
        "purl": "pkg:deb/ubuntu/linux-nvidia-tegra@6.8.0-1032.34?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.8.0-1032.34"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.8.0-1003.3",
        "6.8.0-1004.4",
        "6.8.0-1008.8",
        "6.8.0-1009.9",
        "6.8.0-1010.10",
        "6.8.0-1012.12",
        "6.8.0-1013.13",
        "6.8.0-1016.16",
        "6.8.0-1019.19",
        "6.8.0-1020.20",
        "6.8.0-1021.21",
        "6.8.0-1022.22",
        "6.8.0-1023.23",
        "6.8.0-1024.24",
        "6.8.0-1025.25",
        "6.8.0-1026.26",
        "6.8.0-1029.30",
        "6.8.0-1030.31",
        "6.8.0-1031.32"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2026-53224",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53246",
              "severity": [
                {
                  "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N",
                  "type": "CVSS_V4"
                },
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-53247",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "low",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2026-64531",
              "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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:Pro:FIPS-updates:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "linux-azure-fips-cloud-tools-6.8.0-1065",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-azure-fips-headers-6.8.0-1065",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-azure-fips-tools-6.8.0-1065",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-buildinfo-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-cloud-tools-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-headers-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-image-unsigned-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-image-unsigned-hmac-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-modules-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-modules-extra-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-modules-involflt-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-modules-iwlwifi-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          },
          {
            "binary_name": "linux-tools-6.8.0-1065-azure-fips",
            "binary_version": "6.8.0-1065.73+fips1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:FIPS-updates:24.04:LTS",
        "name": "linux-azure-fips",
        "purl": "pkg:deb/ubuntu/linux-azure-fips@6.8.0-1065.73+fips1?arch=source\u0026distro=fips-updates/noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.8.0-1065.73+fips1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.8.0-1034.39+fips1",
        "6.8.0-1040.46+fips1",
        "6.8.0-1044.50+fips1",
        "6.8.0-1046.52+fips1",
        "6.8.0-1047.53+fips1",
        "6.8.0-1052.58+fips1",
        "6.8.0-1053.59+fips1",
        "6.8.0-1054.60+fips1",
        "6.8.0-1059.65+fips1",
        "6.8.0-1062.69+fips1",
        "6.8.0-1063.71+fips2",
        "6.8.0-1064.72+fips1"
      ]
    }
  ],
  "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  - Network drivers;\n  - Open vSwitch;\n  - SCTP protocol;\n(CVE-2026-53224, CVE-2026-53246, CVE-2026-53247, CVE-2026-64531)\n",
  "id": "USN-8643-4",
  "modified": "2026-08-25T20:21:07Z",
  "published": "2026-08-25T20:21:07Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8643-4"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53224"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53246"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-53247"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2026-64531"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-aws-6.8, linux-azure-fde, linux-azure-fde-6.8, linux-azure-fips, linux-nvidia-tegra vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2026-53224",
    "UBUNTU-CVE-2026-53246",
    "UBUNTU-CVE-2026-53247",
    "UBUNTU-CVE-2026-64531"
  ]
}



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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.