// For flags

CVE-2024-0607

Kernel: nf_tables: pointer math issue in nft_byteorder_eval()

Severity Score

6.6
*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 the Netfilter subsystem in the Linux kernel. The issue is in the nft_byteorder_eval() function, where the code iterates through a loop and writes to the `dst` array. On each iteration, 8 bytes are written, but `dst` is an array of u32, so each element only has space for 4 bytes. That means every iteration overwrites part of the previous element corrupting this array of u32. This flaw allows a local user to cause a denial of service or potentially break NetFilter functionality.

Se encontró una falla en el subsistema Netfilter en el kernel de Linux. El problema está en la función nft_byteorder_eval(), donde el código itera a través de un bucle y escribe en la matriz `dst`. En cada iteración, se escriben 8 bytes, pero `dst` es una matriz de u32, por lo que cada elemento solo tiene espacio para 4 bytes. Eso significa que cada iteración sobrescribe parte del elemento anterior, lo que posiblemente lleve a una escritura fuera de los límites. Esta falla permite que un usuario local provoque una denegación de servicio o potencialmente aumente sus privilegios en el sistema.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2024-01-16 CVE Reserved
  • 2024-01-18 CVE Published
  • 2024-01-24 EPSS Updated
  • 2024-09-27 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-229: Improper Handling of Values
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
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< 6.7
Search vendor "Linux" for product "Linux Kernel" and version " < 6.7"
-
Affected
Linux
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Linux Kernel
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6.7
Search vendor "Linux" for product "Linux Kernel" and version "6.7"
rc1
Affected
Fedoraproject
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Fedora
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39
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-
Affected
Redhat
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Enterprise Linux
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8.0
Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"
-
Affected
Redhat
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Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
9.0
Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"
-
Affected