RHBA-2018_0135
Vulnerability from csaf_redhat - Published: 2018-01-24 00:00 - Updated: 2024-11-14 23:32Summary
Red Hat Bug Fix Advisory: org.ovirt.engine-root bug fix and enhancement update
Notes
Topic
An update for org.ovirt.engine-root is now available for Red Hat Virtualization Manager version 4.1.
Details
The Red Hat Enterprise Virtualization Manager is a centralized management platform that allows system administrators to view and manage virtual machines. The Manager provides a comprehensive range of features including search capabilities, resource management, live migrations, and virtual infrastructure provisioning.
The Manager is a JBoss Application Server application that provides several interfaces through which the virtual environment can be accessed and interacted with, including an Administration Portal, a User Portal, and a Representational State Transfer (REST) Application Programming Interface (API).
Changes to the ovirt-engine component:
* When live or cold merge fails, snapshot disks may be left in an illegal state. If virtual machines with illegal snapshot disks are shut down, they will not re-start. Virtual machines with illegal snapshot disks are now marked with an exclamation mark and a warning message not to shut them down. (BZ#1533061)
* The kernel no longer supports the /sys/block/dm-X/queue/discard_zeroes_data file in sysfs. It is therefore no longer possible to determine whether discarded blocks from a block device returns zeros or the actual data. Therefore, the virtual machine disk properties "Wipe After Delete" and "Enable Discard" are no longer supported at the same time. (BZ#1529305)
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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{
"acknowledgments": [
{
"names": [
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"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
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"cwe": {
"id": "CWE-212",
"name": "Improper Removal of Sensitive Information Before Storage or Transfer"
},
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1549944"
}
],
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{
"category": "description",
"text": "It was discovered that the combination of Enable Discard and Wipe After Delete flags for VM disks managed by oVirt, could cause a disk to be incompletely zeroed when removed from a VM. If the same storage blocks happen to be later allocated to a new disk attached to another VM, potentially sensitive data could be revealed to privileged users of that VM.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "ovirt-engine: When Wipe After Delete (WAD) and Enable Discard are both enabled for a VM disk, discarded data might not be wiped after the disk is removed.",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
"category": "external",
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{
"category": "external",
"summary": "https://gerrit.ovirt.org/#/c/84875",
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{
"category": "vendor_fix",
"date": "2018-01-24T00:00:00+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:",
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"attackVector": "NETWORK",
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"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
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"threats": [
{
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}
],
"title": "ovirt-engine: When Wipe After Delete (WAD) and Enable Discard are both enabled for a VM disk, discarded data might not be wiped after the disk is removed."
}
]
}
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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.
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