CVE-2022-39189
kernel: TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED leading to guest malfunctioning
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
Se ha detectado un problema en el subsistema KVM x86 en el kernel de Linux versiones anteriores a 5.18.17. Los usuarios invitados no privilegiados pueden comprometer el kernel invitado porque las operaciones de vaciado del TLB son manejadas inapropiadamente en determinadas situaciones de KVM_VCPU_PREEMPTED
A flaw was found in the x86 KVM subsystem in kvm_steal_time_set_preempted in arch/x86/kvm/x86.c in the Linux kernel. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-09-02 CVE Reserved
- 2022-09-02 CVE Published
- 2023-12-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20230214-0007 | Third Party Advisory |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.debian.org/security/2023/dsa-5480 | 2023-10-20 | |
| https://access.redhat.com/security/cve/CVE-2022-39189 | 2024-02-07 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2124788 | 2024-02-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.16 < 5.4.244 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.16 < 5.4.244" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.5.0 < 5.10.180 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5.0 < 5.10.180" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.15.60 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.60" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.16 < 5.18.17 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 5.18.17" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Baseboard Management Controller Search vendor "Netapp" for product "Hci Baseboard Management Controller" | h300s Search vendor "Netapp" for product "Hci Baseboard Management Controller" and version "h300s" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Baseboard Management Controller Search vendor "Netapp" for product "Hci Baseboard Management Controller" | h410c Search vendor "Netapp" for product "Hci Baseboard Management Controller" and version "h410c" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Baseboard Management Controller Search vendor "Netapp" for product "Hci Baseboard Management Controller" | h410s Search vendor "Netapp" for product "Hci Baseboard Management Controller" and version "h410s" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Baseboard Management Controller Search vendor "Netapp" for product "Hci Baseboard Management Controller" | h500s Search vendor "Netapp" for product "Hci Baseboard Management Controller" and version "h500s" | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Hci Baseboard Management Controller Search vendor "Netapp" for product "Hci Baseboard Management Controller" | h700s Search vendor "Netapp" for product "Hci Baseboard Management Controller" and version "h700s" | - |
Affected
| ||||||