| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.2 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.16.9. Impacted is the function skb_gro_header_slow. Performing a manipulation results in resource management.
This vulnerability is reported as CVE-2011-2723. No exploit exists.
Details
A vulnerability classified as critical has been found in Linux Kernel 2.6.16.9 (Operating System). This affects the function skb_gro_header_slow. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
The skb_gro_header_slow function in include/linux/netdevice.h in the Linux kernel before 2.6.39.4, when Generic Receive Offload (GRO) is enabled, resets certain fields in incorrect situations, which allows remote attackers to cause a denial of service (system crash) via crafted network traffic.
The issue has been introduced in 03/20/2006. The weakness was disclosed 09/06/2011 as Bug 726552 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2011-2723. The attack can only be done within the local network. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 1996 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 79280 (RHEL 5 : rhev-hypervisor (RHSA-2011:1408)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350731 (Amazon Linux Security Advisory for kernel: ALAS-2011-016).
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the databases at X-Force (68897), Tenable (79280), SecurityFocus (BID 48929†), SecurityTracker (ID 1025876†) and Vulnerability Center (SBV-33729†). The entry VDB-60832 is pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.5VulDB Meta Temp Score: 6.5
VulDB Base Score: 6.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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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: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 79280
Nessus Name: RHEL 5 : rhev-hypervisor (RHSA-2011:1408)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍
OpenVAS ID: 881021
OpenVAS Name: CentOS Update for kernel CESA-2011:1386 centos5 i386
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Patch: 17dd759c67f21e34f2156abcf415e1f60605a188
Timeline
03/20/2006 🔍07/11/2011 🔍
07/27/2011 🔍
09/06/2011 🔍
09/06/2011 🔍
09/06/2011 🔍
11/03/2011 🔍
11/17/2014 🔍
03/23/2015 🔍
08/06/2024 🔍
Sources
Vendor: kernel.orgAdvisory: Bug 726552
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-2723 (🔍)
GCVE (CVE): GCVE-0-2011-2723
GCVE (VulDB): GCVE-100-58437
OVAL: 🔍
X-Force: 68897
SecurityFocus: 48929 - Linux Kernel Generic Receive Offload (GRO) CVE-2011-2723 Denial of Service Vulnerability
SecurityTracker: 1025876
Vulnerability Center: 33729 - Linux Kernel before 2.6.39.4 GRO Local DoS Vulnerability, Low
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 08/06/2024 03:36
Changes: 03/23/2015 16:50 (66), 04/04/2017 11:40 (9), 11/18/2021 16:39 (6), 11/18/2021 16:47 (1), 08/06/2024 03:36 (18)
Complete: 🔍
Cache ID: 216:457:103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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