Bug 1879473 (CVE-2020-14378)
Summary: | CVE-2020-14378 dpdk: partial Denial of Service due to Integer Underflow | ||
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Product: | [Other] Security Response | Reporter: | Dhananjay Arunesh <darunesh> |
Component: | vulnerability | Assignee: | Red Hat Product Security <security-response-team> |
Status: | CLOSED NOTABUG | QA Contact: | |
Severity: | low | Docs Contact: | |
Priority: | low | ||
Version: | unspecified | CC: | aconole, apevec, chrisw, ctrautma, dblechte, dfediuck, eedri, fleitner, hvyas, jhsiao, linville, mburns, mgoldboi, michal.skrivanek, nhorman, ovs-qe, ovs-team, ralongi, rkhan, sbonazzo, security-response-team, sherold, tredaelli, yturgema |
Target Milestone: | --- | Keywords: | Security |
Target Release: | --- | ||
Hardware: | All | ||
OS: | Linux | ||
Whiteboard: | |||
Fixed In Version: | dpdk 18.11.10, dpdk 19.11.5 | Doc Type: | If docs needed, set a value |
Doc Text: |
An integer underflow flaw was found in the `move_desc` function that can lead to large amounts of CPU cycles being consumed in a long-running loop. This flaw allows an attacker to cause `move_desc` to get stuck in a 4,294,967,295-count iteration loop. Depending on how `vhost_crypto` is being used, this issue could prevent other VMs or network tasks from being serviced by the busy DPDK lcore for an extended period. The highest threat from this vulnerability is to system availability.
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Story Points: | --- |
Clone Of: | Environment: | ||
Last Closed: | 2020-09-28 20:41:10 UTC | Type: | --- |
Regression: | --- | Mount Type: | --- |
Documentation: | --- | CRM: | |
Verified Versions: | Category: | --- | |
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
Cloudforms Team: | --- | Target Upstream Version: | |
Embargoed: | |||
Bug Depends On: | 1883277, 1910515 | ||
Bug Blocks: | 1879474 |
Description
Dhananjay Arunesh
2020-09-16 11:24:07 UTC
Statement: This flaw does not affect the versions of `dpdk` as shipped with Red Hat Enterprise Linux 7 and 8 or the versions embedded in Red Hat Virtualization or the Fast Datapath `openvswitch` package, as they do not enable generic crypto device library support. This causes the vulnerable code in vhost_crypto.c to not be included. This flaw does not affect Red Hat Ceph Storage 3 and 4 as dpdk (embedded in ceph source rpm) is not built in the packages, therefore the vulnerable code is not available in the resulting RPM and the issue cannot be exploited. Acknowledgments: Name: Ryan Hall External References: https://www.openwall.com/lists/oss-security/2020/09/28/3 Created dpdk tracking bugs for this issue: Affects: fedora-all [bug 1883277] This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-14378 |