usn-8015-5
Vulnerability from osv_ubuntu
Published
2026-02-20 13:23
Modified
2026-06-03 10:46
Summary
linux-lowlatency, linux-xilinx 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: - Cryptographic API; - SMB network file system; - io_uring subsystem; (CVE-2025-38561, CVE-2025-39698, CVE-2025-40019)


{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-38561",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-39698",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/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-2025-40019",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-buildinfo-6.8.0-94-lowlatency-64k",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-cloud-tools-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-headers-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-headers-6.8.0-94-lowlatency-64k",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.8.0-94-lowlatency-64k",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-lowlatency-cloud-tools-6.8.0-94",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-lowlatency-headers-6.8.0-94",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-lowlatency-lib-rust-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-lowlatency-tools-6.8.0-94",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-modules-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-modules-6.8.0-94-lowlatency-64k",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-modules-iwlwifi-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-tools-6.8.0-94-lowlatency",
            "binary_version": "6.8.0-94.96.1"
          },
          {
            "binary_name": "linux-tools-6.8.0-94-lowlatency-64k",
            "binary_version": "6.8.0-94.96.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "linux-lowlatency",
        "purl": "pkg:deb/ubuntu/linux-lowlatency@6.8.0-94.96.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.8.0-94.96.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.5.0-9.9.1",
        "6.6.0-14.14.1",
        "6.8.0-7.7.1",
        "6.8.0-25.25.3",
        "6.8.0-28.28.1",
        "6.8.0-31.31.1",
        "6.8.0-35.35.1",
        "6.8.0-36.36.1",
        "6.8.0-38.38.1",
        "6.8.0-39.39.1",
        "6.8.0-40.40.1",
        "6.8.0-41.41.1",
        "6.8.0-44.44.1",
        "6.8.0-45.45.1",
        "6.8.0-47.47.1",
        "6.8.0-48.48.3",
        "6.8.0-49.49.1",
        "6.8.0-50.51.1",
        "6.8.0-51.52.1",
        "6.8.0-52.53.1",
        "6.8.0-53.55.2",
        "6.8.0-54.56.1",
        "6.8.0-55.57.1",
        "6.8.0-56.58.1",
        "6.8.0-57.59.1",
        "6.8.0-58.60.1",
        "6.8.0-59.61.1",
        "6.8.0-60.63.1",
        "6.8.0-62.65.1",
        "6.8.0-63.66.1",
        "6.8.0-64.67.1",
        "6.8.0-65.68.1",
        "6.8.0-78.78.1",
        "6.8.0-79.79.1",
        "6.8.0-83.83.1",
        "6.8.0-84.84.1",
        "6.8.0-85.85.1",
        "6.8.0-86.87.1",
        "6.8.0-87.88.1",
        "6.8.0-88.89.1",
        "6.8.0-90.91.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2025-38561",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "high",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2025-39698",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/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-2025-40019",
              "severity": [
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-6.8.0-1022-xilinx",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-headers-6.8.0-1022-xilinx",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-image-6.8.0-1022-xilinx",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-modules-6.8.0-1022-xilinx",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-tools-6.8.0-1022-xilinx",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-xilinx-headers-6.8.0-1022",
            "binary_version": "6.8.0-1022.23"
          },
          {
            "binary_name": "linux-xilinx-tools-6.8.0-1022",
            "binary_version": "6.8.0-1022.23"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "linux-xilinx",
        "purl": "pkg:deb/ubuntu/linux-xilinx@6.8.0-1022.23?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.8.0-1022.23"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "6.8.0-1008.9",
        "6.8.0-1009.10",
        "6.8.0-1011.12",
        "6.8.0-1012.13",
        "6.8.0-1013.14",
        "6.8.0-1014.15",
        "6.8.0-1015.16",
        "6.8.0-1017.18",
        "6.8.0-1018.19",
        "6.8.0-1019.20",
        "6.8.0-1020.21",
        "6.8.0-1021.22"
      ]
    }
  ],
  "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  - Cryptographic API;\n  - SMB network file system;\n  - io_uring subsystem;\n(CVE-2025-38561, CVE-2025-39698, CVE-2025-40019)\n",
  "id": "USN-8015-5",
  "modified": "2026-06-03T10:46:18Z",
  "published": "2026-02-20T13:23:45Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8015-5"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-38561"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-39698"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2025-40019"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lowlatency, linux-xilinx vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-38561",
    "UBUNTU-CVE-2025-39698",
    "UBUNTU-CVE-2025-40019"
  ]
}



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Nomenclature

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