rhsa-2017_2392
Vulnerability from csaf_redhat
Published
2017-08-01 16:04
Modified
2024-11-14 19:59
Summary
Red Hat Security Advisory: qemu-kvm-rhev security, bug fix, and enhancement update
Notes
Topic
An update for qemu-kvm-rhev is now available for RHEV 4.X RHEV-H and Agents for RHEL-7.
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
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.
The following packages have been upgraded to a later upstream version: qemu-kvm-rhev (2.9.0). (BZ#1387372, BZ#1387600, BZ#1400962)
Security Fix(es):
* A stack buffer overflow flaw was found in the Quick Emulator (QEMU) built with the Network Block Device (NBD) client support. The flaw could occur while processing server's response to a 'NBD_OPT_LIST' request. A malicious NBD server could use this issue to crash a remote NBD client resulting in DoS or potentially execute arbitrary code on client host with privileges of the QEMU process. (CVE-2017-2630)
* An integer overflow flaw was found in Quick Emulator (QEMU) in the CCID Card device support. The flaw could occur while passing messages via command/response packets to and from the host. A privileged user inside a guest could use this flaw to crash the QEMU process. (CVE-2017-5898)
* An information exposure flaw was found in Quick Emulator (QEMU) in Task Priority Register (TPR) optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory. (CVE-2016-4020)
* A memory-leak flaw was found in the Quick Emulator(QEMU) built with USB xHCI controller emulation support. The flaw could occur while doing a USB-device unplug operation. Unplugging the device repeatedly resulted in leaking host memory, affecting other services on the host. A privileged user inside the guest could exploit this flaw to cause a denial of service on the host or potentially crash the host's QEMU process instance. (CVE-2016-7466)
* Multiple CVEs(CVE-2016-10155, CVE-2016-4020, CVE-2016-6835, CVE-2016-6888, CVE-2016-7422, CVE-2016-7466, CVE-2016-8576, CVE-2016-8669, CVE-2016-8909, CVE-2016-8910, CVE-2016-9907, CVE-2016-9911, CVE-2016-9921, CVE-2016-9922, CVE-2017-2630, CVE-2017-5579, CVE-2017-5898, CVE-2017-5973, CVE-2017-9310, CVE-2017-9373, CVE-2017-9374, CVE-2017-9375) were fixed as result of rebase to QEMU version 2.9.0.
Red Hat would like to thank Li Qiang (Qihoo 360 Inc.) for reporting CVE-2016-6835 and CVE-2016-6888; Li Qiang (360.cn Inc.) for reporting CVE-2017-5898, CVE-2016-7466, CVE-2016-10155, CVE-2017-5579, and CVE-2017-5973; Donghai Zdh (Alibaba Inc.) for reporting CVE-2016-4020; Qinghao Tang (Marvel Team 360.cn Inc.) and Zhenhao Hong (Marvel Team 360.cn Inc.) for reporting CVE-2016-7422; PSIRT (Huawei Inc.) for reporting CVE-2016-8669; Andrew Henderson (Intelligent Automation Inc.) for reporting CVE-2016-8910; Qinghao Tang (Qihoo 360), Li Qiang (Qihoo 360), and Jiangxin (Huawei Inc.) for reporting CVE-2016-9921 and CVE-2016-9922; and Li Qiang (Qihoo 360 Gear Team) for reporting CVE-2017-9310, CVE-2017-9373, CVE-2017-9374, and CVE-2017-9375.
Additional Changes:
This update also fixes several bugs and adds various enhancements. Documentation for these changes is available from the Release Notes document linked to 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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},
{
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2017-9373"
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2017-9373",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-9373"
}
],
"release_date": "2017-03-16T00:00:00+00:00",
"remediations": [
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"category": "vendor_fix",
"date": "2017-08-01T16:04:36+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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{
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
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{
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},
{
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"title": "Vulnerability summary"
},
{
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"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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],
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"category": "external",
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{
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"title": "Qemu: usb: xhci infinite recursive call via xhci_kick_ep"
}
]
}
Loading...
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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.