Vulnerability Name:

CVE-2021-38996 (CCN-213076)

Assigned:2021-08-16
Published:2022-03-01
Updated:2022-03-09
Summary:IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the AIX kernel to cause a denial of service. IBM X-Force ID: 213076.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local
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:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
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-noinfo
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-38996

Source: XF
Type: UNKNOWN
ibm-aix-cve202138997-dos(213076)

Source: XF
Type: VDB Entry, Vendor Advisory
ibm-aix-cve202138997-dos (213076)

Source: CCN
Type: IBM Security Bulletin 6560390 (AIX)
Vulnerabilities in AIX CAA (CVE-2022-22350, CVE-2021-38996)

Source: CONFIRM
Type: Vendor Advisory
https://www.ibm.com/support/pages/node/6560390

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ibm:vios:3.1:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:aix:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:aix:7.2:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:aix:7.3:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:ibm:aix:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:ibm:aix:7.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:vios:3.1:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    ibm vios 3.1
    ibm aix 7.1
    ibm aix 7.2
    ibm aix 7.3
    ibm aix 7.1
    ibm aix 7.2
    ibm vios 3.1