SUSE-SU-2020:1609-1

Vulnerability from csaf_suse - Published: 2020-06-11 13:16 - Updated: 2020-06-11 13:16
Summary
Security update for xen

Notes

Title of the patch
Security update for xen
Description of the patch
This update for xen to version 4.12.3 fixes the following issues: - CVE-2020-0543: Fixed a side channel attack against special registers which could have resulted in leaking of read values to cores other than the one which called it. This attack is known as Special Register Buffer Data Sampling (SRBDS) or 'CrossTalk' (bsc#1172205). - Added support for new 64bit libxl memory API (bsc#1167007 and bsc#1157490).
Patchnames
SUSE-2020-1609,SUSE-SLE-Module-Basesystem-15-SP1-2020-1609,SUSE-SLE-Module-Server-Applications-15-SP1-2020-1609
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": [
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          "text": "https://www.suse.com/security/cve/CVE-2020-0543"
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      ],
      "notes": [
        {
          "category": "general",
          "text": "Incomplete cleanup from specific special register read operations in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.",
          "title": "CVE description"
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      "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": {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
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      "threats": [
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          "category": "impact",
          "date": "2020-06-11T13:16:46Z",
          "details": "moderate"
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      "title": "CVE-2020-0543"
    }
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}


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Tags
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.