suse-su-2018:2473-1
Vulnerability from csaf_suse
Published
2018-08-21 15:13
Modified
2018-08-21 15:13
Summary
Security update for the Linux Kernel (Live Patch 2 for SLE 15)

Notes

Title of the patch
Security update for the Linux Kernel (Live Patch 2 for SLE 15)
Description of the patch
This update for the Linux Kernel 4.12.14-25_6 fixes one issue. The following security issue was fixed: - CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system (bsc#1099306).
Patchnames
SUSE-SLE-Module-Live-Patching-15-2018-1738
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).


To clipboard 

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://www.suse.com/support/security/rating/",
      "text": "important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright 2024 SUSE LLC. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "Security update for the Linux Kernel (Live Patch 2 for SLE 15)",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "This update for the Linux Kernel 4.12.14-25_6 fixes one issue.\n\nThe following security issue was fixed:\n\n- CVE-2018-3646: Local attackers in virtualized guest systems could use speculative code patterns on hyperthreaded processors to read data present in the L1 Datacache used by other hyperthreads on the same CPU core, potentially leaking sensitive data, even from other virtual machines or the host system (bsc#1099306).\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-Module-Live-Patching-15-2018-1738",
        "title": "Patchnames"
      },
      {
        "category": "legal_disclaimer",
        "text": "CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).",
        "title": "Terms of use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://www.suse.com/support/security/contact/",
      "name": "SUSE Product Security Team",
      "namespace": "https://www.suse.com/"
    },
    "references": [
      {
        "category": "external",
        "summary": "SUSE ratings",
        "url": "https://www.suse.com/support/security/rating/"
      },
      {
        "category": "self",
        "summary": "URL of this CSAF notice",
        "url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_2473-1.json"
      },
      {
        "category": "self",
        "summary": "URL for SUSE-SU-2018:2473-1",
        "url": "https://www.suse.com/support/update/announcement/2018/suse-su-20182473-1/"
      },
      {
        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2018:2473-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2018-August/004486.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1099306",
        "url": "https://bugzilla.suse.com/1099306"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2018-3646 page",
        "url": "https://www.suse.com/security/cve/CVE-2018-3646/"
      }
    ],
    "title": "Security update for the Linux Kernel (Live Patch 2 for SLE 15)",
    "tracking": {
      "current_release_date": "2018-08-21T15:13:21Z",
      "generator": {
        "date": "2018-08-21T15:13:21Z",
        "engine": {
          "name": "cve-database.git:bin/generate-csaf.pl",
          "version": "1"
        }
      },
      "id": "SUSE-SU-2018:2473-1",
      "initial_release_date": "2018-08-21T15:13:21Z",
      "revision_history": [
        {
          "date": "2018-08-21T15:13:21Z",
          "number": "1",
          "summary": "Current version"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
                "product": {
                  "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
                  "product_id": "kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le"
                }
              }
            ],
            "category": "architecture",
            "name": "ppc64le"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64",
                "product": {
                  "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64",
                  "product_id": "kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64"
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
            "branches": [
              {
                "category": "product_name",
                "name": "SUSE Linux Enterprise Live Patching 15",
                "product": {
                  "name": "SUSE Linux Enterprise Live Patching 15",
                  "product_id": "SUSE Linux Enterprise Live Patching 15",
                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sle-module-live-patching:15"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "SUSE Linux Enterprise"
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le as component of SUSE Linux Enterprise Live Patching 15",
          "product_id": "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le"
        },
        "product_reference": "kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64 as component of SUSE Linux Enterprise Live Patching 15",
          "product_id": "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64"
        },
        "product_reference": "kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64",
        "relates_to_product_reference": "SUSE Linux Enterprise Live Patching 15"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2018-3646",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-3646"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "Systems with microprocessors utilizing speculative execution and address translations may allow unauthorized disclosure of information residing in the L1 data cache to an attacker with local user access with guest OS privilege via a terminal page fault and a side-channel analysis.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-3646",
          "url": "https://www.suse.com/security/cve/CVE-2018-3646"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1087078 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1087078"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1087081 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1087081"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1089343 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1089343"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1091107 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1091107"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1099306 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1099306"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1104365 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1104365"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1104894 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1104894"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1106548 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1106548"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1113534 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1113534"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1136865 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1136865"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1178658"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1201877 for CVE-2018-3646",
          "url": "https://bugzilla.suse.com/1201877"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.6,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15:kernel-livepatch-4_12_14-25_6-default-2-2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-08-21T15:13:21Z",
          "details": "important"
        }
      ],
      "title": "CVE-2018-3646"
    }
  ]
}


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