CVE-2007-6712

kernel: infinite loop in highres timers (kernel hang)

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.

Desbordamiento de entero en la función hrtimer_forward function (hrtimer.c) en el kernel 2.6.21-rc4 de Linux, cuando corren en sistemas de 64-bit, permite a los usuarios locales provocar una denegación de servicio (bucle infinito) mediante un temporizador con un valor de caducidad largo, que provoca que el temporizador esté siempre expirado.

*Credits: N/A

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

2008-04-12 CVE Reserved
2008-04-12 CVE Published
2024-08-07 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-189: Numeric Errors
CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

CAPEC

References (16)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/chris/linux-2.6.git%3Ba=commitdiff%3Bh=13788ccc41ceea5893f9c747c59bc0b28f2416c2	X_refsource_confirm
http://secunia.com/advisories/30294	Third Party Advisory
http://secunia.com/advisories/30368	Third Party Advisory
http://secunia.com/advisories/30818	Third Party Advisory
http://secunia.com/advisories/31107	Third Party Advisory
http://secunia.com/advisories/31628	Third Party Advisory
http://www.securityfocus.com/bid/29294	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/41827	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9210	Signature

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2008-06/msg00006.html	2023-11-07
http://www.debian.org/security/2008/dsa-1588	2023-11-07
http://www.redhat.com/support/errata/RHSA-2008-0275.html	2023-11-07
http://www.redhat.com/support/errata/RHSA-2008-0585.html	2023-11-07
http://www.ubuntu.com/usn/usn-625-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2007-6712	2008-08-26
https://bugzilla.redhat.com/show_bug.cgi?id=439999	2008-08-26

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Kernel Search vendor "Kernel"		Linux Kernel Search vendor "Kernel" for product "Linux Kernel"				2.6.21_rc4 Search vendor "Kernel" for product "Linux Kernel" and version "2.6.21_rc4"		x64		Affected