Vulnerability Name:

CVE-2021-3839 (CCN-225844)

Assigned:2021-09-29
Published:2022-04-29
Updated:2022-08-26
Summary: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.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L)
4.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): Low
7.5 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:3.2 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-125
CWE-787
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-3839

Source: MISC
Type: Third Party Advisory
https://access.redhat.com/security/cve/CVE-2021-3839

Source: MISC
Type: Issue Tracking, Patch, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2025882

Source: XF
Type: UNKNOWN
dpdk-cve20213839-dos(225844)

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/DPDK/dpdk/commit/6442c329b9d2ded0f44b27d2016aaba8ba5844c5

Source: CCN
Type: oss-sec Mailing List, Thu, 5 May 2022 01:50:08 +0000
DPDK CVE-2021-3839 Release Notice

Source: CCN
Type: DPDK Web site
Home

Vulnerable Configuration:Configuration 1:
  • cpe:/a:dpdk:data_plane_development_kit:*:*:*:*:*:*:*:* (Version < 22.03)
  • OR cpe:/a:dpdk:data_plane_development_kit:22.03:rc2:*:*:*:*:*:*
  • OR cpe:/a:dpdk:data_plane_development_kit:22.03:rc3:*:*:*:*:*:*
  • OR cpe:/a:dpdk:data_plane_development_kit:22.03:rc1:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:redhat:enterprise_linux_fast_datapath:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:redhat:enterprise_linux_fast_datapath:8.0:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:dpdk:dpdk:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8077
    P
    		dpdk-19.11.10-150500.3.37 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20228263
    P
    		RHSA-2022:8263: dpdk security and bug fix update (Important)
    2022-11-15
    oval:org.opensuse.security:def:119616
    P
    		Security update for dpdk (Important)
    2022-07-05
    oval:org.opensuse.security:def:118936
    P
    		Security update for dpdk (Important)
    2022-07-05
    oval:org.opensuse.security:def:119241
    P
    		Security update for dpdk (Important)
    2022-07-05
    oval:org.opensuse.security:def:119431
    P
    		Security update for dpdk (Important)
    2022-07-05
    oval:org.opensuse.security:def:118746
    P
    		Security update for dpdk (Important)
    2022-07-05
    oval:org.opensuse.security:def:3474
    P
    		dosfstools-3.0.26-6.5 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95104
    P
    		dpdk-19.11.10-150400.2.10 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:1671
    P
    		Security update for dpdk (Moderate)
    2022-05-31
    oval:org.opensuse.security:def:503
    P
    		Security update for dpdk (Moderate)
    2022-05-31
    BACK
    dpdk data plane development kit *
    dpdk data plane development kit 22.03 rc2
    dpdk data plane development kit 22.03 rc3
    dpdk data plane development kit 22.03 rc1
    fedoraproject fedora 35
    redhat enterprise linux 7.0
    redhat enterprise linux 8.0
    redhat enterprise linux 9.0
    redhat enterprise linux fast datapath 7.0
    redhat enterprise linux fast datapath 8.0
    dpdk dpdk -