Vulnerability Name:

CVE-2022-0897 (CCN-222648)

Assigned:2022-03-09
Published:2022-03-09
Updated:2022-10-27
Summary:A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from concurrently modifying the driver->nwfilters object. This flaw allows a malicious, unprivileged user to exploit this issue via libvirt's API virConnectNumOfNWFilters to crash the network filter management daemon (libvirtd/virtnwfilterd).
CVSS v3 Severity:4.3 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L)
3.8 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
5.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
4.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.0 Medium (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
4.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-667
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-0897

Source: MISC
Type: Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=2063883

Source: XF
Type: UNKNOWN
libvirt-cve20220897-dos(222648)

Source: CCN
Type: GitLab Web site
nwfilter: fix crash when counting number of network filters

Source: GENTOO
Type: Third Party Advisory
GLSA-202210-06

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2022-0897

Vulnerable Configuration:Configuration 1:
  • cpe:/a:redhat:libvirt:*:*:*:*:*:*:*:* (Version <= 1.1.1)

    • Configuration 2:
  • cpe:/a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/a:redhat:enterprise_linux:9:*:*:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/a:redhat:enterprise_linux:9::appstream:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/a:redhat:enterprise_linux:9::crb:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:libvirt:libvirt:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7692
    P
    		libvirt-libs-9.0.0-150500.4.3 on GA media (Moderate)
    2023-06-12
    oval:com.redhat.rhsa:def:20228003
    P
    		RHSA-2022:8003: libvirt security, bug fix, and enhancement update (Low)
    2022-11-15
    oval:com.redhat.rhsa:def:20227472
    P
    		RHSA-2022:7472: virt:rhel and virt-devel:rhel security, bug fix, and enhancement update (Low)
    2022-11-08
    oval:org.opensuse.security:def:3100
    P
    		gvim-7.4.326-17.3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3504
    P
    		gnome-settings-daemon-3.20.1-50.16.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:94730
    P
    		libvirt-libs-8.0.0-150400.5.8 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95134
    P
    		libvirt-8.0.0-150400.5.8 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:42377
    P
    		Security update for libvirt (Moderate)
    2022-05-05
    oval:org.opensuse.security:def:473
    P
    		Security update for libvirt (Moderate)
    2022-05-05
    oval:org.opensuse.security:def:881
    P
    		Security update for libvirt (Moderate)
    2022-05-05
    oval:org.opensuse.security:def:42278
    P
    		Security update for libvirt (Moderate)
    2022-05-05
    oval:org.opensuse.security:def:1666
    P
    		Security update for libvirt (Moderate)
    2022-05-05
    oval:org.opensuse.security:def:6028
    P
    		Security update for libvirt (Moderate)
    2022-05-04
    oval:org.opensuse.security:def:5232
    P
    		Security update for libvirt (Moderate)
    2022-05-04
    oval:org.opensuse.security:def:101618
    P
    		Security update for libvirt (Moderate) (in QA)
    2022-04-07
    oval:org.opensuse.security:def:102243
    P
    		Security update for libvirt (Moderate) (in QA)
    2022-04-07
    BACK
    redhat libvirt *
    netapp ontap select deploy administration utility -
    libvirt libvirt *