SUSE-SU-2017:2696-1

Vulnerability from csaf_suse - Published: 2017-10-10 13:55 - Updated: 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 

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        "title": "Title of the patch"
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        "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"
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        "summary": "SUSE Bug 959803",
        "url": "https://bugzilla.suse.com/959803"
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        "url": "https://bugzilla.suse.com/986734"
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        "summary": "SUSE Bug 986838",
        "url": "https://bugzilla.suse.com/986838"
      },
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        "summary": "SUSE CVE CVE-2016-8637 page",
        "url": "https://www.suse.com/security/cve/CVE-2016-8637/"
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    ],
    "title": "Security update for dracut",
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  "vulnerabilities": [
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          "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"
        }
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        {
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          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
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      ],
      "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"
          },
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          "date": "2017-10-10T13:55:33Z",
          "details": "low"
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      "title": "CVE-2016-8637"
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}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.