usn-8015-4
Vulnerability from osv_ubuntu
Published
2026-02-11 18:23
Modified
2026-06-03 10:46
Summary
linux-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency-hwe-6.8 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)


{
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              "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"
                }
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            },
            {
              "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"
                }
              ]
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          ],
          "ecosystem": "Ubuntu:22.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
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                },
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              "id": "CVE-2025-40019",
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                }
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        "6.8.0-1018.18",
        "6.8.0-1019.19",
        "6.8.0-1022.22",
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        "6.8.0-1024.24",
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        "6.8.0-1040.40",
        "6.8.0-1041.41",
        "6.8.0-1042.42"
      ]
    }
  ],
  "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-8015-4",
  "modified": "2026-06-03T10:46:17Z",
  "published": "2026-02-11T18:23:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8015-4"
    },
    {
      "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-aws, linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-ibm, linux-ibm-6.8, linux-lowlatency-hwe-6.8 vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2025-38561",
    "UBUNTU-CVE-2025-39698",
    "UBUNTU-CVE-2025-40019"
  ]
}



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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

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.

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Detection rules are retrieved from Rulezet.

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