Linux Kernel net/socket.c compat_put_timeval resource management
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.8 | $0-$5k | 0.00 |
A vulnerability was found in Linux Kernel (Operating System) (version unknown). It has been rated as problematic. This issue affects the function compat_put_timeval
of the file net/socket.c. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is confidentiality, and availability. The summary by CVE is:
The (1) do_siocgstamp and (2) do_siocgstampns functions in net/socket.c in the Linux kernel before 3.5.4 use an incorrect argument order, which allows local users to obtain sensitive information from kernel memory or cause a denial of service (system crash) via a crafted ioctl call.
The weakness was disclosed 09/06/2012 by Mikulas Patocka with Red Hat as ed6fe9d614f as confirmed git commit (GIT Repository). It is possible to read the advisory at git.kernel.org. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2012-4467 since 08/21/2012. Attacking locally is a requirement. The successful exploitation requires a simple authentication. Technical details of the vulnerability are known, but there is no available exploit.
Applying the patch ed6fe9d614f is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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: 6.1VulDB Meta Temp Score: 5.8
VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Patch: ed6fe9d614f
Timeline
08/21/2012 🔍09/06/2012 🔍
09/06/2012 🔍
10/04/2012 🔍
10/04/2012 🔍
10/04/2012 🔍
10/08/2012 🔍
10/10/2012 🔍
05/01/2018 🔍
Sources
Vendor: kernel.orgAdvisory: ed6fe9d614f
Researcher: Mikulas Patocka
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2012-4467 (🔍)
SecurityFocus: 55785 - Linux Kernel 'COMPAT_USE_64BIT_TIME' Multiple Local Denial of Service Vulnerabilities
Secunia: 50790 - Linux Kernel "compat_put_timeval()" Argument Passing Weakness, Not Critical
OSVDB: 85929
Entry
Created: 10/08/2012 16:45Updated: 05/01/2018 12:25
Changes: 10/08/2012 16:45 (62), 05/01/2018 12:25 (7)
Complete: 🔍
Committer: olku
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