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
Related
Published
2022-08-23T16:15:10.087Z
Modified
2026-03-10T23:42:36.784911Z
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 vhostusersetinflightfd() 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.

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
0 Unknown introduced commit / All previous commits are affected
Last affected
2e07139b66a810883871ff20a5f31e4c222e5b40
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
305769000c40a4fdf1ed0cf24c157b447b91ea7d
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
312b94ef884f0cf4ee42dde36acf23a41172794d
Fixed
6442c329b9d2ded0f44b27d2016aaba8ba5844c5
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "22.03"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "22.03-rc1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "22.03-rc2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "22.03-rc3"
        }
    ]
}

Affected versions

v1.*
v1.2.3r0
v1.3.0r0
v1.3.1r0
v1.4.0r0
v1.4.1r0
v1.5.0r0
v1.5.1r0
v1.5.2r0
v1.6.0r0
v1.6.0r1
v1.6.0r2
v1.7.0
v1.7.0-rc1
v1.7.0-rc2
v1.7.0-rc3
v1.7.0-rc4
v1.7.1
v1.8.0
v1.8.0-rc1
v1.8.0-rc2
v1.8.0-rc3
v1.8.0-rc4
v1.8.0-rc5
v1.8.0-rc6
v16.*
v16.04
v16.04-rc1
v16.04-rc2
v16.04-rc3
v16.04-rc4
v16.07
v16.07-rc1
v16.07-rc2
v16.07-rc3
v16.07-rc4
v16.07-rc5
v16.11
v16.11-rc1
v16.11-rc2
v16.11-rc3
v17.*
v17.02
v17.02-rc1
v17.02-rc2
v17.02-rc3
v17.05
v17.05-rc1
v17.05-rc2
v17.05-rc3
v17.05-rc4
v17.08
v17.08-rc1
v17.08-rc2
v17.08-rc3
v17.08-rc4
v17.11
v17.11-rc1
v17.11-rc2
v17.11-rc3
v17.11-rc4
v18.*
v18.02
v18.02-rc1
v18.02-rc2
v18.02-rc3
v18.02-rc4
v18.05
v18.05-rc1
v18.05-rc2
v18.05-rc3
v18.05-rc4
v18.05-rc5
v18.05-rc6
v18.08
v18.08-rc1
v18.08-rc2
v18.08-rc3
v18.11
v18.11-rc1
v18.11-rc2
v18.11-rc3
v18.11-rc4
v18.11-rc5
v19.*
v19.02
v19.02-rc1
v19.02-rc2
v19.02-rc3
v19.02-rc4
v19.05
v19.05-rc1
v19.05-rc2
v19.05-rc3
v19.05-rc4
v19.08
v19.08-rc1
v19.08-rc2
v19.08-rc3
v19.08-rc4
v19.11
v19.11-rc1
v19.11-rc2
v19.11-rc3
v19.11-rc4
v2.*
v2.0.0
v2.0.0-rc1
v2.0.0-rc2
v2.0.0-rc3
v2.1.0
v2.1.0-rc1
v2.1.0-rc2
v2.1.0-rc3
v2.1.0-rc4
v2.2.0
v2.2.0-rc1
v2.2.0-rc2
v2.2.0-rc3
v2.2.0-rc4
v20.*
v20.02
v20.02-rc1
v20.02-rc2
v20.02-rc3
v20.02-rc4
v20.05
v20.05-rc1
v20.05-rc2
v20.05-rc3
v20.05-rc4
v20.08
v20.08-rc1
v20.08-rc2
v20.08-rc3
v20.08-rc4
v20.11
v20.11-rc1
v20.11-rc2
v20.11-rc3
v20.11-rc4
v20.11-rc5
v21.*
v21.02
v21.02-rc1
v21.02-rc2
v21.02-rc3
v21.02-rc4
v21.05
v21.05-rc1
v21.05-rc2
v21.05-rc3
v21.05-rc4
v21.08
v21.08-rc1
v21.08-rc2
v21.08-rc3
v21.08-rc4
v21.11
v21.11-rc1
v21.11-rc2
v21.11-rc3
v21.11-rc4
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,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "218964855366889817698744017324434491215",
                "153393868971813765081598737286992637585",
                "215130104168108337750727703366659950908",
                "135045007302257789395044528308605937321"
            ]
        },
        "source": "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
        "signature_type": "Line",
        "id": "CVE-2021-3839-07035299",
        "target": {
            "file": "lib/vhost/vhost_user.c"
        }
    },
    {
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "340127545324019451371334732147163230990",
            "length": 789.0
        },
        "source": "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
        "signature_type": "Function",
        "id": "CVE-2021-3839-60bcf5ef",
        "target": {
            "file": "lib/vhost/vhost_user.c",
            "function": "vhost_user_check_and_alloc_queue_pair"
        }
    }
]
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "35"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "7.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    }
]