Vulnerability Name:

CVE-2022-39189 (CCN-234702)

Assigned:2022-05-30
Published:2022-05-30
Updated:2023-02-14
Summary:Linux Kernel could allow a local authenticated attacker to execute arbitrary code on the system, caused by the failure to clear KVM_VCPU_PREEMPTED by KVM instruction emulation. By executing a specially-crafted program, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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): High
Integrity (I): High
Availibility (A): High
7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
7.0 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-39189

Source: cve@mitre.org
Type: Issue Tracking, Patch, Third Party Advisory
cve@mitre.org

Source: CCN
Type: Google Security Research Issue 2309
Linux: KVM instruction emulation doesn't clear KVM_VCPU_PREEMPTED, breaking guest's TLB flushing

Source: cve@mitre.org
Type: Patch, Release Notes, Vendor Advisory
cve@mitre.org

Source: XF
Type: UNKNOWN
linux-kernel-cve202239189-code-exec(234702)

Source: cve@mitre.org
Type: Patch, Vendor Advisory
cve@mitre.org

Source: CCN
Type: Linux Kernel GIT Repository
KVM: x86: do not report a vCPU as preempted outside instruction boundaries

Source: cve@mitre.org
Type: Patch, Third Party Advisory
cve@mitre.org

Source: CCN
Type: Packet Storm Security [08-30-2022]
Linux KVM Instruction Emulation Issue

Source: cve@mitre.org
Type: UNKNOWN
cve@mitre.org

Source: CCN
Type: Mend Vulnerability Database
CVE-2022-39189

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:5.10:-:*:*:*:*:*:*
  • OR cpe:/a:linux:linux_kernel:5.15:-:*:*:*:*:*:*
  • OR cpe:/o:linux:linux_kernel:5.18:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8029
    P
    		kernel-docs-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-20
    oval:org.opensuse.security:def:7539
    P
    		kernel-64kb-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:8090
    P
    		reiserfs-kmp-default-5.14.21-150500.53.2 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:51945
    P
    		Security update for the Linux Kernel (Important)
    2022-11-01
    BACK
    linux linux kernel 5.10 -
    linux linux kernel 5.15 -
    linux linux kernel 5.18 -