// For flags

CVE-2021-47296

KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak

Severity Score

4.7
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt
notifier corruption and crashes, among other issues.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: KVM: PPC: corrección de fuga de kvm_arch_vcpu_ioctl vcpu_load. No se llama a vcpu_put si falla la copia del usuario. Esto puede provocar daños y bloqueos del notificador preventivo, entre otros problemas.

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
High
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-05-21 CVE Reserved
  • 2024-05-21 CVE Published
  • 2024-12-19 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
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"
 >= 4.18 < 4.19.199
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.18 < 4.19.199"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.18 < 5.4.136
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.18 < 5.4.136"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.18 < 5.10.54
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.18 < 5.10.54"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.18 < 5.13.6
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.18 < 5.13.6"
en
Affected
Linux
Search vendor "Linux"
 Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
 >= 4.18 < 5.14
Search vendor "Linux" for product "Linux Kernel" and version " >= 4.18 < 5.14"
en
Affected