Vulnerability Name:

CVE-2023-34320 (CCN-262147)

Assigned:2023-08-01
Published:2023-08-01
Updated:2023-08-01
Summary:XenSource Xen is vulnerable to a denial of service, caused by a deadlock on Cortex-A77 cores by erratum 1508412. By executing a load to device or non-cacheable memory, a local attacker could exploit this vulnerability to cause a deadlock of the system.
CVSS v3 Severity: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: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 Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2023-34320

Source: CCN
Type: Xen Security Advisory XSA-436
arm: Guests can trigger a deadlock on Cortex-A77

Source: XF
Type: UNKNOWN
xen-cve202334320(262147)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:xensource:xen:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    xensource xen *