suse-su-2018:2394-1
Vulnerability from csaf_suse
Published
2018-08-16 13:46
Modified
2018-08-16 13:46
Summary
Security update for kgraft
Notes
Title of the patch
Security update for kgraft
Description of the patch
This update for kgraft fixes the following issues:
Add script for disabling SMT to help with the mitigation of the 'L1 Terminal Fault' issue (CVE-2018-3646 bsc#1099306)
The script is called 'klp-kvm-l1tf-ctrl-smt' and is used for enabling or disabling SMT to mitigate
the issue when this administrative decision is taken.
Disabling SMT:
klp-kvm-l1tf-ctrl-smt -d
Enabling SMT:
klp-kvm-l1tf-ctrl-smt -e
Patchnames
SUSE-SLE-Live-Patching-12-2018-1637,SUSE-SLE-Live-Patching-12-SP3-2018-1637
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
{
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"text": "This update for kgraft fixes the following issues:\n\nAdd script for disabling SMT to help with the mitigation of the \u0027L1 Terminal Fault\u0027 issue (CVE-2018-3646 bsc#1099306)\n\nThe script is called \u0027klp-kvm-l1tf-ctrl-smt\u0027 and is used for enabling or disabling SMT to mitigate\nthe issue when this administrative decision is taken.\n\nDisabling SMT:\n\n\tklp-kvm-l1tf-ctrl-smt -d\n\nEnabling SMT:\n\n\tklp-kvm-l1tf-ctrl-smt -e\n\n",
"title": "Description of the patch"
},
{
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"title": "Patchnames"
},
{
"category": "legal_disclaimer",
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"title": "Terms of use"
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"url": "https://ftp.suse.com/pub/projects/security/csaf/suse-su-2018_2394-1.json"
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{
"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 kgraft",
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"date": "2018-08-16T13:46:00Z",
"number": "1",
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"vulnerabilities": [
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}
],
"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"
}
],
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"SUSE Linux Enterprise Live Patching 12 SP3:kgraft-1.0-23.9.1.x86_64",
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"SUSE Linux Enterprise Live Patching 12:kgraft-1.0-23.9.1.s390x",
"SUSE Linux Enterprise Live Patching 12:kgraft-1.0-23.9.1.x86_64",
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]
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"url": "https://bugzilla.suse.com/1099306"
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{
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"summary": "SUSE Bug 1104365 for CVE-2018-3646",
"url": "https://bugzilla.suse.com/1104365"
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{
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"summary": "SUSE Bug 1104894 for CVE-2018-3646",
"url": "https://bugzilla.suse.com/1104894"
},
{
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"summary": "SUSE Bug 1106548 for CVE-2018-3646",
"url": "https://bugzilla.suse.com/1106548"
},
{
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"summary": "SUSE Bug 1113534 for CVE-2018-3646",
"url": "https://bugzilla.suse.com/1113534"
},
{
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"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": [
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],
"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"
},
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}
],
"threats": [
{
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"date": "2018-08-16T13:46:00Z",
"details": "important"
}
],
"title": "CVE-2018-3646"
}
]
}
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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.
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