CVE-2021-3839

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Source
https://cve.org/CVERecord?id=CVE-2021-3839
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3839.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-3839
Downstream
DEBIAN (1)
OESA (1)
RHSA (4)
RLSA (1)
SUSE (2)
UBUNTU (1)
Related
ALSA (1)
SUSE (2)
Published
2022-08-23T16:15:10Z
Modified
2026-07-09T01:31:43Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "35"
                },
                {
                    "last_affected":  "35"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "fedoraproject:fedora"
        },
        {
            "cpes":  [
                "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:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "7.0"
                },
                {
                    "last_affected":  "7.0"
                },
                {
                    "introduced":  "8.0"
                },
                {
                    "last_affected":  "8.0"
                },
                {
                    "introduced":  "9.0"
                },
                {
                    "last_affected":  "9.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "redhat:enterprise_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*",
                "cpe:2.3:a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "introduced":  "7.0"
                },
                {
                    "last_affected":  "7.0"
                },
                {
                    "introduced":  "8.0"
                },
                {
                    "last_affected":  "8.0"
                }
            ],
            "source":  "CPE_STRING",
            "vendor_product":  "redhat:enterprise_linux_fast_datapath"
        }
    ]
}
References

Affected packages

Git / github.com/dpdk/dpdk

Affected ranges

Type
GIT
Repo
https://github.com/dpdk/dpdk
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
80c5b4d6355d1dbece8dd1f812d374f3e24086bc
Introduced
2e07139b66a810883871ff20a5f31e4c222e5b40
Last Affected
312b94ef884f0cf4ee42dde36acf23a41172794d
Fixed
6442c329b9d2ded0f44b27d2016aaba8ba5844c5
Database specific
Show details 
{
    "cpe":  [
        "cpe:2.3:a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:*",
        "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:*:*:*:*:*:*"
    ],
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "22.03"
        },
        {
            "introduced":  "22.03-rc1"
        },
        {
            "last_affected":  "22.03-rc1"
        },
        {
            "introduced":  "22.03-rc2"
        },
        {
            "last_affected":  "22.03-rc2"
        },
        {
            "introduced":  "22.03-rc3"
        },
        {
            "last_affected":  "22.03-rc3"
        }
    ],
    "source":  [
        "CPE_RANGE",
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

22.*
22.03-rc1
22.03-rc2
22.03-rc3
v22.*
v22.03-rc1
v22.03-rc2
v22.03-rc3
v22.03-rc4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3839.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "218964855366889817698744017324434491215",
                "153393868971813765081598737286992637585",
                "215130104168108337750727703366659950908",
                "135045007302257789395044528308605937321"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2021-3839-07035299",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
        "target":  {
            "file":  "lib/vhost/vhost_user.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "340127545324019451371334732147163230990",
            "length":  789
        },
        "id":  "CVE-2021-3839-60bcf5ef",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
        "target":  {
            "file":  "lib/vhost/vhost_user.c",
            "function":  "vhost_user_check_and_alloc_queue_pair"
        }
    }
]
vanir_signatures_modified 
"2026-07-09T01:31:43Z"