RHSA-2021:1239
Vulnerability from csaf_redhat - Published: 2021-04-19 10:47 - Updated: 2025-11-21 18:21Summary
Red Hat Security Advisory: dpdk security update
Severity
Important
Notes
Topic: An update for dpdk is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.
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: The dpdk packages provide the Data Plane Development Kit, which is a set of libraries and drivers for fast packet processing in the user space.
Security Fix(es):
* dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor (CVE-2020-10725)
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.
A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.
7.7 (High)
Vendor Fix
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
https://access.redhat.com/errata/RHSA-2021:1239
References
Acknowledgments
Reporter
Ferruh Yigit
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{
"acknowledgments": [
{
"names": [
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],
"organization": "Reporter"
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"cve": "CVE-2020-10725",
"cwe": {
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"name": "Improper Initialization"
},
"discovery_date": "2020-04-28T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1828894"
}
],
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{
"category": "description",
"text": "A flaw was found in DPDK version 19.11 and above that allows a malicious guest to cause a segmentation fault of the vhost-user backend application running on the host, which could result in a loss of connectivity for the other guests running on that host. This is caused by a missing validity check of the descriptor address in the function `virtio_dev_rx_batch_packed()`.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "The versions of `dpdk` as shipped with Red Hat Enterprise Linux 7 were not affected by this flaw, as they did not include the vulnerable code, which was introduced in a later version of the package. This issue did not affect the versions of `ceph` as shipped with Red Hat Ceph Storage 3 and 4, as they did not include support for dpdk.",
"title": "Statement"
},
{
"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",
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"url": "https://www.cve.org/CVERecord?id=CVE-2020-10725"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-10725",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10725"
},
{
"category": "external",
"summary": "https://bugs.dpdk.org/show_bug.cgi?id=270",
"url": "https://bugs.dpdk.org/show_bug.cgi?id=270"
},
{
"category": "external",
"summary": "https://www.openwall.com/lists/oss-security/2020/05/18/2",
"url": "https://www.openwall.com/lists/oss-security/2020/05/18/2"
}
],
"release_date": "2020-05-18T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2021-04-19T10:47:21+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",
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"title": "dpdk: librte_vhost Malicious guest could cause segfault by sending invalid Virtio descriptor"
}
]
}
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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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