// For flags

CVE-2006-5755

kernel: local denial of service due to NT bit leakage

Severity Score

5.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Linux kernel before 2.6.18, when running on x86_64 systems, does not properly save or restore EFLAGS during a context switch, which allows local users to cause a denial of service (crash) by causing SYSENTER to set an NT flag, which can trigger a crash on the IRET of the next task.

El núcleo de Linux anterior a 2.6.18, cuando se ejecuta en sistemas x86_64, no guarda o restaura adecuadamente las EFLAGS durante un cambio de contexto, lo cual permite a usuarios locales provocar una denegación de servicio (caída) provocando que SYSENTER active una bandera NT, lo que dispara una caída en el IRET de la siguiente tarea.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2006-11-06 CVE Reserved
  • 2006-12-31 CVE Published
  • 2024-06-03 EPSS Updated
  • 2024-08-07 CVE 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"
<= 2.6.17
Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.17"
-
Affected