High severity7.5NVD Advisory· Published Aug 23, 2022· Updated Jun 17, 2026
CVE-2021-3839
CVE-2021-3839
Description
A flaw was found in the vhost library in DPDK. Function vhost_user_set_inflight_fd() does not validate msg->payload.inflight.num_queues, possibly causing out-of-bounds memory read/write. Any software using DPDK vhost library may crash as a result of this vulnerability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
35- DPDK/vhost librarydescription
- osv-coords23 versionspkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/dpdk-thunderx&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/almalinux/dpdkpkg:rpm/almalinux/dpdk-develpkg:rpm/almalinux/dpdk-docpkg:rpm/almalinux/dpdk-toolspkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/dpdk-thunderx&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/dpdk&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/dpdk-thunderx&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/opensuse/dpdk&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/dpdk-thunderx&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/dpdk&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/dpdk-thunderx&distro=openSUSE%20Leap%2015.4pkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/dpdk-thunderx&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/dpdk-thunderx&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/dpdk&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/dpdk&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/dpdk&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/dpdk&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCL
< 19.11.4-150300.11.1+ 22 more
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 2:21.11.2-1.el9_1
- (no CPE)range: < 2:21.11.2-1.el9_1
- (no CPE)range: < 2:21.11.2-1.el9_1
- (no CPE)range: < 2:21.11.2-1.el9_1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 19.11.4-150300.11.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
- (no CPE)range: < 19.11.4-150200.3.17.1
cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:*+ 3 more
- cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:*range: <22.03
- cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc1:*:*:*:*:*:*
- cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc2:*:*:*:*:*:*
- cpe:2.3:a:dpdk:data_plane_development_kit:22.03:rc3:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5nvdPatchThird Party Advisory
- access.redhat.com/security/cve/CVE-2021-3839nvdThird Party Advisory
News mentions
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