suse-su-2018:4070-1
Vulnerability from csaf_suse
Published
2018-12-11 14:12
Modified
2018-12-11 14:12
Summary
Security update for xen

Notes

Title of the patch
Security update for xen
Description of the patch
This update for xen fixes the following issues: Security issues fixed: - CVE-2018-18849: Fixed an out of bounds memory access issue was found in the LSI53C895A SCSI Host Bus Adapter emulation while writing a message in lsi_do_msgin (bsc#1114423). - CVE-2018-18883: Fixed a NULL pointer dereference that could have been triggered by nested VT-x that where not properly restricted (XSA-278)(bsc#1114405). - CVE-2018-19965: Fixed denial of service issue from attempting to use INVPCID with a non-canonical addresses (XSA-279)(bsc#1115045). - CVE-2018-19966: Fixed issue introduced by XSA-240 that could have caused conflicts with shadow paging (XSA-280)(bsc#1115047). - CVE-2018-19961 CVE-2018-19962: Fixed insufficient TLB flushing / improper large page mappings with AMD IOMMUs (XSA-275)(bsc#1115040). Non-security issues fixed: - Added upstream bug fixes (bsc#1027519). - Fixed XEN SLE12-SP1 domU hang on SLE12-SP3 HV (bsc#1108940).
Patchnames
SUSE-SLE-DESKTOP-12-SP3-2018-2896,SUSE-SLE-SDK-12-SP3-2018-2896,SUSE-SLE-SERVER-12-SP3-2018-2896
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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  "vulnerabilities": [
    {
      "cve": "CVE-2018-18849",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-18849"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "In Qemu 3.0.0, lsi_do_msgin in hw/scsi/lsi53c895a.c allows out-of-bounds access by triggering an invalid msg_len value.",
          "title": "CVE description"
        }
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          "summary": "SUSE Bug 1114422 for CVE-2018-18849",
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        {
          "category": "general",
          "text": "An issue was discovered in Xen 4.9.x through 4.11.x, on Intel x86 platforms, allowing x86 HVM and PVH guests to cause a host OS denial of service (NULL pointer dereference) or possibly have unspecified other impact because nested VT-x is not properly restricted.",
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19962",
          "url": "https://www.suse.com/security/cve/CVE-2018-19962"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115040 for CVE-2018-19962",
          "url": "https://bugzilla.suse.com/1115040"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1178658 for CVE-2018-19962",
          "url": "https://bugzilla.suse.com/1178658"
        }
      ],
      "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": [
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
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        {
          "category": "impact",
          "date": "2018-12-11T14:12:57Z",
          "details": "important"
        }
      ],
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    },
    {
      "cve": "CVE-2018-19965",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2018-19965"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "An issue was discovered in Xen through 4.11.x allowing 64-bit PV guest OS users to cause a denial of service (host OS crash) because #GP[0] can occur after a non-canonical address is passed to the TLB flushing code. NOTE: this issue exists because of an incorrect CVE-2017-5754 (aka Meltdown) mitigation.",
          "title": "CVE description"
        }
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      "references": [
        {
          "category": "external",
          "summary": "CVE-2018-19965",
          "url": "https://www.suse.com/security/cve/CVE-2018-19965"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1115045 for CVE-2018-19965",
          "url": "https://bugzilla.suse.com/1115045"
        }
      ],
      "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",
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        {
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            "baseScore": 5.6,
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    },
    {
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          "title": "CVE description"
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        {
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      "scores": [
        {
          "cvss_v3": {
            "baseScore": 5.3,
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            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H",
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          },
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      ],
      "threats": [
        {
          "category": "impact",
          "date": "2018-12-11T14:12:57Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2018-19966"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.