usn-4096-1
Vulnerability from osv_ubuntu
Published
2019-08-13 16:24
Modified
2026-06-03 10:45
Summary
linux-aws, linux-aws-hwe vulnerability
Details

Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors incorrectly handle SWAPGS instructions during speculative execution. A local attacker could use this to expose sensitive information (kernel memory).

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-1125",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-aws-headers-4.15.0-1045",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-aws-hwe-cloud-tools-4.15.0-1045",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-aws-hwe-tools-4.15.0-1045",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-buildinfo-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-cloud-tools-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-headers-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-image-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-modules-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-modules-extra-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          },
          {
            "binary_name": "linux-tools-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47~16.04.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "linux-aws-hwe",
        "purl": "pkg:deb/ubuntu/linux-aws-hwe@4.15.0-1045.47~16.04.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-1045.47~16.04.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.15.0-1030.31~16.04.1",
        "4.15.0-1031.33~16.04.1",
        "4.15.0-1032.34~16.04.1",
        "4.15.0-1033.35~16.04.1",
        "4.15.0-1035.37~16.04.1",
        "4.15.0-1036.38~16.04.1",
        "4.15.0-1039.41~16.04.1",
        "4.15.0-1040.42~16.04.1",
        "4.15.0-1041.43~16.04.1",
        "4.15.0-1043.45~16.04.1",
        "4.15.0-1044.46~16.04.1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-1125",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:18.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "linux-aws-cloud-tools-4.15.0-1045",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-aws-headers-4.15.0-1045",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-aws-tools-4.15.0-1045",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-buildinfo-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-cloud-tools-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-headers-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-image-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-modules-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-modules-extra-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          },
          {
            "binary_name": "linux-tools-4.15.0-1045-aws",
            "binary_version": "4.15.0-1045.47"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "linux-aws",
        "purl": "pkg:deb/ubuntu/linux-aws@4.15.0-1045.47?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.15.0-1045.47"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "4.15.0-1001.1",
        "4.15.0-1003.3",
        "4.15.0-1005.5",
        "4.15.0-1006.6",
        "4.15.0-1007.7",
        "4.15.0-1009.9",
        "4.15.0-1010.10",
        "4.15.0-1011.11",
        "4.15.0-1016.16",
        "4.15.0-1017.17",
        "4.15.0-1019.19",
        "4.15.0-1020.20",
        "4.15.0-1021.21",
        "4.15.0-1023.23",
        "4.15.0-1025.25",
        "4.15.0-1027.27",
        "4.15.0-1029.30",
        "4.15.0-1031.33",
        "4.15.0-1032.34",
        "4.15.0-1033.35",
        "4.15.0-1034.36",
        "4.15.0-1035.37",
        "4.15.0-1037.39",
        "4.15.0-1039.41",
        "4.15.0-1040.42",
        "4.15.0-1041.43",
        "4.15.0-1043.45",
        "4.15.0-1044.46"
      ]
    }
  ],
  "aliases": [],
  "details": "Andrei Vlad Lutas and Dan Lutas discovered that some x86 processors\nincorrectly handle SWAPGS instructions during speculative execution. A\nlocal attacker could use this to expose sensitive information (kernel\nmemory).\n",
  "id": "USN-4096-1",
  "modified": "2026-06-03T10:45:19Z",
  "published": "2019-08-13T16:24:56Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4096-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-1125"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "linux-aws, linux-aws-hwe vulnerability",
  "upstream": [
    "UBUNTU-CVE-2019-1125"
  ]
}



Log in or create an account to share your comment.




Tags
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.