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usn-6921-2
Vulnerability from osv_ubuntu
Published
2024-07-30 10:33
Modified
2026-08-05 23:35
Summary
linux-lowlatency vulnerabilities
Details

Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious #VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to expose sensitive information or possibly execute arbitrary code in the trusted execution environment. (CVE-2024-25742)

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: - DMA engine subsystem; - HID subsystem; - I2C subsystem; - PHY drivers; - TTY drivers; - IPv4 networking; (CVE-2024-35997, CVE-2024-36016, CVE-2024-35990, CVE-2024-35984, CVE-2024-35992, CVE-2024-36008)

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2024-25742",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-35984",
              "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-2024-35990",
              "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:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            },
            {
              "id": "CVE-2024-35992",
              "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-2024-35997",
              "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-2024-36008",
              "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-2024-36016",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/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"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-buildinfo-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-buildinfo-6.8.0-39-lowlatency-64k",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-cloud-tools-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-headers-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-headers-6.8.0-39-lowlatency-64k",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-image-unsigned-6.8.0-39-lowlatency-64k",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-cloud-tools-6.8.0-39",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-cloud-tools-common",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-headers-6.8.0-39",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-lib-rust-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-tools-6.8.0-39",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-tools-common",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-lowlatency-tools-host",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-modules-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-modules-6.8.0-39-lowlatency-64k",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-modules-iwlwifi-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-tools-6.8.0-39-lowlatency",
            "binary_version": "6.8.0-39.39.1"
          },
          {
            "binary_name": "linux-tools-6.8.0-39-lowlatency-64k",
            "binary_version": "6.8.0-39.39.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "linux-lowlatency",
        "purl": "pkg:deb/ubuntu/linux-lowlatency@6.8.0-39.39.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.8.0-39.39.1"
            }
          ],
          "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"
      ]
    }
  ],
  "aliases": [],
  "details": "\nBenedict Schl\u00fcter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde\ndiscovered that an untrusted hypervisor could inject malicious #VC\ninterrupts and compromise the security guarantees of AMD SEV-SNP. This flaw\nis known as WeSee. A local attacker in control of the hypervisor could use\nthis to expose sensitive information or possibly execute arbitrary code in\nthe trusted execution environment. (CVE-2024-25742)\n\nSeveral 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  - DMA engine subsystem;\n  - HID subsystem;\n  - I2C subsystem;\n  - PHY drivers;\n  - TTY drivers;\n  - IPv4 networking;\n(CVE-2024-35997, CVE-2024-36016, CVE-2024-35990, CVE-2024-35984,\nCVE-2024-35992, CVE-2024-36008)\n",
  "id": "USN-6921-2",
  "modified": "2026-08-05T23:35:36Z",
  "published": "2024-07-30T10:33:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6921-2"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-25742"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-35984"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-35990"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-35992"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-35997"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-36008"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2024-36016"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-lowlatency vulnerabilities",
  "upstream": [
    "UBUNTU-CVE-2024-25742",
    "UBUNTU-CVE-2024-35984",
    "UBUNTU-CVE-2024-35990",
    "UBUNTU-CVE-2024-35992",
    "UBUNTU-CVE-2024-35997",
    "UBUNTU-CVE-2024-36008",
    "UBUNTU-CVE-2024-36016"
  ]
}



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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.


Detection rules are retrieved from Rulezet.


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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.