suse-su-2017:2696-1
Vulnerability from csaf_suse
Published
2017-10-10 13:55
Modified
2017-10-10 13:55
Summary
Security update for dracut

Notes

Title of the patch
Security update for dracut
Description of the patch
This update for dracut fixes the following issues: Security issues fixed: - CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd would be read-only available for all users, allowing local users to retrieve secrets stored in the initial ramdisk. (bsc#1008340) Non-security issues fixed: - Skip iBFT discovery for qla4xxx flashnode session. (bsc#935320) - Set MTU and LLADDR for DHCP if specified. (bsc#959803) - Allow booting from degraded MD arrays with systemd. (bsc#1017695) - Start multipath services before local-fs-pre.target. (bsc#1005410, bsc#1006118, bsc#1007925, bsc#986734, bsc#986838) - Fixed /sbin/installkernel to handle kernel packages built with 'make bin-rpmpkg'. (bsc#1008648) - Fixed typo in installkernel script. (bsc#1032576) - Fixed subnet calculation in mkinitrd. (bsc#1035743)
Patchnames
SUSE-SLE-SERVER-12-2017-1669
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": "moderate"
    },
    "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 dracut",
        "title": "Title of the patch"
      },
      {
        "category": "description",
        "text": "\nThis update for dracut fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2016-8637: When the early microcode loading was enabled during initrd creation, the initrd\n  would be read-only available for all users, allowing local users to retrieve secrets stored in\n  the initial ramdisk. (bsc#1008340)\n\nNon-security issues fixed:\n\n- Skip iBFT discovery for qla4xxx flashnode session. (bsc#935320)\n- Set MTU and LLADDR for DHCP if specified. (bsc#959803)\n- Allow booting from degraded MD arrays with systemd. (bsc#1017695)\n- Start multipath services before local-fs-pre.target. (bsc#1005410, bsc#1006118, bsc#1007925,\n  bsc#986734, bsc#986838)\n- Fixed /sbin/installkernel to handle kernel packages built with \u0027make bin-rpmpkg\u0027. (bsc#1008648)\n- Fixed typo in installkernel script. (bsc#1032576)\n- Fixed subnet calculation in mkinitrd. (bsc#1035743)\n",
        "title": "Description of the patch"
      },
      {
        "category": "details",
        "text": "SUSE-SLE-SERVER-12-2017-1669",
        "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",
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      },
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        "category": "self",
        "summary": "URL for SUSE-SU-2017:2696-1",
        "url": "https://www.suse.com/support/update/announcement/2017/suse-su-20172696-1/"
      },
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        "category": "self",
        "summary": "E-Mail link for SUSE-SU-2017:2696-1",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2017-October/003286.html"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1005410",
        "url": "https://bugzilla.suse.com/1005410"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1006118",
        "url": "https://bugzilla.suse.com/1006118"
      },
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        "category": "self",
        "summary": "SUSE Bug 1007925",
        "url": "https://bugzilla.suse.com/1007925"
      },
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        "category": "self",
        "summary": "SUSE Bug 1008340",
        "url": "https://bugzilla.suse.com/1008340"
      },
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        "category": "self",
        "summary": "SUSE Bug 1008648",
        "url": "https://bugzilla.suse.com/1008648"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1017695",
        "url": "https://bugzilla.suse.com/1017695"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1032576",
        "url": "https://bugzilla.suse.com/1032576"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 1035743",
        "url": "https://bugzilla.suse.com/1035743"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 935320",
        "url": "https://bugzilla.suse.com/935320"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 959803",
        "url": "https://bugzilla.suse.com/959803"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 986734",
        "url": "https://bugzilla.suse.com/986734"
      },
      {
        "category": "self",
        "summary": "SUSE Bug 986838",
        "url": "https://bugzilla.suse.com/986838"
      },
      {
        "category": "self",
        "summary": "SUSE CVE CVE-2016-8637 page",
        "url": "https://www.suse.com/security/cve/CVE-2016-8637/"
      }
    ],
    "title": "Security update for dracut",
    "tracking": {
      "current_release_date": "2017-10-10T13:55:33Z",
      "generator": {
        "date": "2017-10-10T13:55:33Z",
        "engine": {
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      },
      "id": "SUSE-SU-2017:2696-1",
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      "revision_history": [
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          "date": "2017-10-10T13:55:33Z",
          "number": "1",
          "summary": "Current version"
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      "status": "final",
      "version": "1"
    }
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  "product_tree": {
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                "name": "dracut-037-51.31.1.ppc64le",
                "product": {
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              },
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                }
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            ],
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          },
          {
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                }
              },
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                    "cpe": "cpe:/o:suse:sles-ltss:12"
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    "relationships": [
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        },
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      },
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      },
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        },
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      },
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        },
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      },
      {
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        },
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      }
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2016-8637",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2016-8637"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "A local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when \u0027early cpio\u0027 is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.",
          "title": "CVE description"
        }
      ],
      "product_status": {
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          "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.ppc64le",
          "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.s390x",
          "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.x86_64",
          "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.ppc64le",
          "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.s390x",
          "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.x86_64"
        ]
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          "summary": "CVE-2016-8637",
          "url": "https://www.suse.com/security/cve/CVE-2016-8637"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1008340 for CVE-2016-8637",
          "url": "https://bugzilla.suse.com/1008340"
        }
      ],
      "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 Server 12-LTSS:dracut-037-51.31.1.ppc64le",
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            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.ppc64le",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.s390x",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.0"
          },
          "products": [
            "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.ppc64le",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.s390x",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-037-51.31.1.x86_64",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.ppc64le",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.s390x",
            "SUSE Linux Enterprise Server 12-LTSS:dracut-fips-037-51.31.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2017-10-10T13:55:33Z",
          "details": "low"
        }
      ],
      "title": "CVE-2016-8637"
    }
  ]
}


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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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