Vulnerability Name:

CVE-2022-26357 (CCN-223409)

Assigned:2022-04-05
Published:2022-04-05
Updated:2022-07-01
Summary:race in VT-d domain ID cleanup Xen domain IDs are up to 15 bits wide. VT-d hardware may allow for only less than 15 bits to hold a domain ID associating a physical device with a particular domain. Therefore internally Xen domain IDs are mapped to the smaller value range. The cleaning up of the housekeeping structures has a race, allowing for VT-d domain IDs to be leaked and flushes to be bypassed.
CVSS v3 Severity:7.0 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.1 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.2 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/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): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:6.2 Medium (CVSS v2 Vector: AV:L/AC:H/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): High
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-362
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2022-26357

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20220405 Xen Security Advisory 399 v2 (CVE-2022-26357) - race in VT-d domain ID cleanup

Source: CCN
Type: Xen Security Advisory XSA-399
race in VT-d domain ID cleanup

Source: CONFIRM
Type: Patch, Vendor Advisory
http://xenbits.xen.org/xsa/advisory-399.html

Source: XF
Type: UNKNOWN
xen-cve202226357-dos(223409)

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-64b2c02d29

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-dfbf7e2372

Source: DEBIAN
Type: Third Party Advisory
DSA-5117

Source: MISC
Type: Vendor Advisory
https://xenbits.xenproject.org/xsa/advisory-399.txt

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:*:*:*:*:*:*:*:* (Version >= 4.13.0 and < 4.16.0)
  • OR cpe:/o:xen:xen:*:*:*:*:*:*:*:* (Version >= 4.11.0 and < 4.12.0)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:xensource:xen:4.11:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.12:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.13:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.14:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.12.3:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.12.4:*:*:*:*:*:*:*
  • OR cpe:/a:xensource:xen:4.13.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7831
    P
    xen-libs-4.17.0_06-150500.1.10 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3225
    P
    libopus0-1.1-3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3535
    P
    java-1_8_0-openjdk-1.8.0.222-27.35.2 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:94855
    P
    xen-libs-4.16.0_08-150400.2.12 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95165
    P
    xen-4.16.0_08-150400.2.12 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:388
    P
    xen-libs-4.16.0_08-150400.2.12 on GA media (Moderate)
    2022-06-10
    oval:org.opensuse.security:def:42276
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:5230
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:42375
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:6026
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:876
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:1662
    P
    Security update for xen (Moderate)
    2022-05-03
    oval:org.opensuse.security:def:118878
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:119560
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:119067
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:119185
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:118688
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:42176
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:119375
    P
    Security update for xen (Important)
    2022-04-22
    oval:org.opensuse.security:def:127259
    P
    Security update for xen (Important)
    2022-04-20
    oval:org.opensuse.security:def:125696
    P
    Security update for xen (Important)
    2022-04-20
    oval:org.opensuse.security:def:126862
    P
    Security update for xen (Important)
    2022-04-20
    oval:org.opensuse.security:def:101617
    P
    Security update for xen (Moderate) (in QA)
    2022-04-07
    oval:org.opensuse.security:def:102242
    P
    Security update for xen (Moderate) (in QA)
    2022-04-07
    BACK
    xen xen *
    xen xen *
    debian debian linux 11.0
    fedoraproject fedora 34
    fedoraproject fedora 35
    xensource xen 4.11
    xensource xen 4.12
    xensource xen 4.13
    xensource xen 4.14
    xensource xen 4.12.3
    xensource xen 4.12.4
    xensource xen 4.13.1