// For flags

CVE-2023-4732

Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h

Severity Score

4.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.

Se encontró una falla en pfn_swap_entry_to_page en el subsistema de administración de memoria del kernel de Linux. En esta falla, un atacante con privilegios de usuario local puede causar un problema de denegación de servicio debido a una declaración de ERROR que hace referencia a pmd_t x.

*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
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-09-02 CVE Reserved
  • 2023-10-03 CVE Published
  • 2023-10-05 EPSS Updated
  • 2024-11-15 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
  • CWE-366: Race Condition within a Thread
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
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Linux Kernel
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<= 5.13.19
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-
Affected
Redhat
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Codeready Linux Builder
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8.0
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-
Affected
Redhat
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Codeready Linux Builder For Arm64
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8.0_aarch64
Search vendor "Redhat" for product "Codeready Linux Builder For Arm64" and version "8.0_aarch64"
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Affected
Redhat
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Codeready Linux Builder For Power Little Endian
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8.0_ppc64le
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Affected
Redhat
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Enterprise Linux
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8.0
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-
Affected
Redhat
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Enterprise Linux For Arm 64
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8.0_aarch64
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Affected
Redhat
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Enterprise Linux For Ibm Z Systems
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8.0_s390x
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Affected
Redhat
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Enterprise Linux For Power Little Endian
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8.0_ppc64le
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Affected
Redhat
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Enterprise Linux For Real Time
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8.0
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Affected
Redhat
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Enterprise Linux For Real Time For Nfv
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8.0
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-
Affected