CVE-2023-4611
Use after free race between mbind() and vma-locked page fault
Severity Score
6.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
A use-after-free flaw was found in mm/mempolicy.c in the memory management subsystem in the Linux Kernel. This issue is caused by a race between mbind() and VMA-locked page fault, and may allow a local attacker to crash the system or lead to a kernel information leak.
There is a race between mbind() and VMA-locked page faults that leads to a use-after-free condition.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
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User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-08-29 CVE Reserved
- 2023-08-29 CVE Published
- 2025-02-27 CVE Updated
- 2025-03-17 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-416: Use After Free
CAPEC
References (4)
| URL | Tag | Source |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-4611 | Third Party Advisory |
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/189868 | 2025-03-17 |
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=2227244 | 2023-11-07 | |
| https://www.spinics.net/lists/stable-commits/msg310136.html | 2023-11-07 |
| URL | Date | SRC |
|---|
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" | < 6.5 Search vendor "Linux" for product "Linux Kernel" and version " < 6.5" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.5 Search vendor "Linux" for product "Linux Kernel" and version "6.5" | rc1 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.5 Search vendor "Linux" for product "Linux Kernel" and version "6.5" | rc2 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 6.5 Search vendor "Linux" for product "Linux Kernel" and version "6.5" | rc3 |
Affected
| ||||||