CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.6 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel (Operating System) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file sched.c. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:
The Linux kernel before 2.6.37 does not properly implement a certain clock-update optimization, which allows local users to cause a denial of service (system hang) via an application that executes code in a loop.
The weakness was presented 11/20/2010 as confirmed git commit (GIT Repository). It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2011-4621 since 11/29/2011. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 57404 (CentOS 6 : kernel (CESA-2011:1849)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks.
Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (71934) and Tenable (57404). See 56043 and 61059 for similar entries.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.2
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Nessus ID: 57404
Nessus Name: CentOS 6 : kernel (CESA-2011:1849)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 840927
OpenVAS Name: Ubuntu Update for linux-ti-omap4 USN-1394-1
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: git.kernel.org
Timeline
11/20/2010 🔍12/08/2010 🔍
12/31/2010 🔍
11/29/2011 🔍
12/21/2011 🔍
12/21/2011 🔍
03/08/2012 🔍
03/08/2012 🔍
05/17/2012 🔍
06/11/2012 🔍
03/21/2021 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2011-4621 (🔍)
OVAL: 🔍
X-Force: 71934
Vulnerability Center: 35295 - Linux Kernel Before 2.6.37 Local Denial of Service Vulnerability, Medium
SecurityFocus: 51165 - Linux Kernel Tight Loop and No Preemption Local Denial of Service Vulnerability
Secunia: 42765 - Linux Kernel Multiple Vulnerabilities, Less Critical
OSVDB: 79850
See also: 🔍
Entry
Created: 03/08/2012 16:08Updated: 03/21/2021 09:52
Changes: 03/08/2012 16:08 (73), 09/05/2019 13:38 (10), 03/21/2021 09:49 (12), 03/21/2021 09:52 (1)
Complete: 🔍
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