rhsa-2019_2892
Vulnerability from csaf_redhat
Published
2019-09-24 13:40
Modified
2024-11-05 21:26
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
An update for qemu-kvm is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.
Security Fix(es):
* QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams (CVE-2018-11806)
* QEMU: slirp: heap buffer overflow in tcp_emu() (CVE-2019-6778)
* QEMU: ne2000: integer overflow leads to buffer overflow issue (CVE-2018-10839)
* QEMU: pcnet: integer overflow leads to buffer overflow (CVE-2018-17962)
* QEMU: qxl: null pointer dereference while releasing spice resources (CVE-2019-12155)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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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{
"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.",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams",
"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.",
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"details": "Important"
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"title": "QEMU: slirp: heap buffer overflow while reassembling fragmented datagrams"
},
{
"acknowledgments": [
{
"names": [
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]
},
{
"names": [
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"organization": "Twistlock"
}
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"cve": "CVE-2018-17962",
"cwe": {
"id": "CWE-121",
"name": "Stack-based Buffer Overflow"
},
"discovery_date": "2018-05-21T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1636773"
}
],
"notes": [
{
"category": "description",
"text": "An integer overflow issue was found in the AMD PC-Net II NIC emulation in QEMU. It could occur while receiving packets, if the size value was greater than INT_MAX. Such overflow would lead to stack buffer overflow issue. A user inside guest could use this flaw to crash the QEMU process resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: pcnet: integer overflow leads to buffer overflow",
"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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"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-17962"
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2019-12155"
},
{
"category": "external",
"summary": "RHBZ#1712670",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1712670"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2019-12155",
"url": "https://www.cve.org/CVERecord?id=CVE-2019-12155"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-12155",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-12155"
}
],
"release_date": "2019-04-25T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2019-09-24T13:40:02+00:00",
"details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nAfter installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.",
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"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "QEMU: qxl: null pointer dereference while releasing spice resources"
}
]
}
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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.