// For flags

CVE-2022-3623

Linux Kernel BPF gup.c follow_page_pte race condition

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

Se encontró una vulnerabilidad en el Kernel de Linux. Ha sido declarada como problemática. Esta vulnerabilidad afecta a la función follow_page_pte del archivo mm/gup.c del componente BPF. La manipulación conlleva una condición de carrera. El ataque puede ser lanzado remotamente. Es recomendado aplicar un parche para corregir este problema. El identificador VDB-211921 ha sido asignado a esta vulnerabilidad

A vulnerability was found in follow_page_pte in mm/gup.c in the Linux Kernel. This issue occurs due to a race problem which can poison the page table entry and cause a denial-of-service.

Red Hat Advanced Cluster Management for Kubernetes 2.5.9 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which fix several bugs.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Attack Vector
Network
Attack Complexity
High
Authentication
Single
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2022-10-20 CVE Reserved
  • 2022-10-20 CVE Published
  • 2025-03-30 EPSS Updated
  • 2025-04-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-123: Write-what-where Condition
  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
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"
>= 5.1 < 5.4.228
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.1 < 5.4.228"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.5 < 5.10.159
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.10.159"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.11 < 5.15.78
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.78"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 5.16 < 5.19.17
Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 5.19.17"
-
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 6.0 < 6.0.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 6.0 < 6.0.3"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected