CVE-2021-3839
- Source
- https://cve.org/CVERecord?id=CVE-2021-3839
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3839.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-3839
- Downstream
- Related
- Published
- 2022-08-23T16:15:10.087Z
- Modified
- 2026-02-24T01:22:29.504076Z
- 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
-
- https://access.redhat.com/security/cve/CVE-2021-3839
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882
- https://bugzilla.redhat.com/show_bug.cgi?id=2025882
- https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5
Affected packages
Git / github.com/dpdk/dpdk
Affected ranges
- Type
- GIT
- Repo
- https://github.com/dpdk/dpdk
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
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
Database specific
source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-3839.json"
vanir_signatures
[
{
"id": "CVE-2021-3839-07035299",
"source": "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
"target": {
"file": "lib/vhost/vhost_user.c"
},
"digest": {
"threshold": 0.9,
"line_hashes": [
"218964855366889817698744017324434491215",
"153393868971813765081598737286992637585",
"215130104168108337750727703366659950908",
"135045007302257789395044528308605937321"
]
},
"signature_version": "v1",
"deprecated": false,
"signature_type": "Line"
},
{
"id": "CVE-2021-3839-60bcf5ef",
"source": "https://github.com/dpdk/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5",
"target": {
"file": "lib/vhost/vhost_user.c",
"function": "vhost_user_check_and_alloc_queue_pair"
},
"digest": {
"function_hash": "340127545324019451371334732147163230990",
"length": 789.0
},
"signature_version": "v1",
"deprecated": false,
"signature_type": "Function"
}
]