CVE-2011-2491
kernel: rpc task leak after flock()ing NFS share
Severity Score
4.9
*CVSS v2
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The Network Lock Manager (NLM) protocol implementation in the NFS client functionality in the Linux kernel before 3.0 allows local users to cause a denial of service (system hang) via a LOCK_UN flock system call.
La implementación del protocolo Network Lock Manager (NLM) en la funcionalidad de cliente NFS en el kernel de Linux anteriores a v3.0 permite a usuarios locales provocar una denegación de servicio (caída del sistema) a través de una llamada de sistema flock LOCK_UN.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2011-06-15 CVE Reserved
- 2011-08-24 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-06 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0 | Broken Link | |
| http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=0b760113a3a155269a3fba93a409c640031dd68f | X_refsource_confirm |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2011/06/23/6 | 2023-02-13 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=709393 | 2011-12-13 | |
| https://github.com/torvalds/linux/commit/0b760113a3a155269a3fba93a409c640031dd68f | 2023-02-13 |
| URL | Date | SRC |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2011-1212.html | 2023-02-13 | |
| https://access.redhat.com/security/cve/CVE-2011-2491 | 2011-12-13 |
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" | < 3.0 Search vendor "Linux" for product "Linux Kernel" and version " < 3.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop" | 5.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "5.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server" | 5.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "5.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation" | 5.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "5.0" | - |
Affected
| ||||||