Description Preview
A certain Red Hat patch to the sctp_sock_migrate function in net/sctp/socket.c in the Linux kernel before 2.6.21, as used in Red Hat Enterprise Linux (RHEL) 5, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) via a crafted SCTP packet.
Overview
This vulnerability affects the Linux kernel before version 2.6.21 and specifically impacts the sctp_sock_migrate function in net/sctp/socket.c. It allows remote attackers to trigger a denial of service condition by sending a specially crafted SCTP packet.
Remediation
To remediate this vulnerability, users are advised to update their Linux kernel to version 2.6.21 or later. Additionally, applying the relevant Red Hat patch or security update, such as RHSA-2011:1212, is recommended to mitigate the risk of exploitation.
References
- Red Hat Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=714867
- Red Hat Security Advisory RHSA-2011:1212: http://rhn.redhat.com/errata/RHSA-2011-1212.html
- [oss-security] 20110830 kernel: CVE-2011-2482/2519: http://www.openwall.com/lists/oss-security/2011/08/30/1
- Linux Kernel ChangeLog for version 2.6.21: http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21
- Commit on GitHub for the Linux kernel fix: https://github.com/torvalds/linux/commit/ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
- Commit on Linux kernel repository for the fix: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ea2bc483ff5caada7c4aa0d5fbf87d3a6590273d
Industry ExposureMost to leastThis section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
This section illustrates the prevalence of a specific Common Vulnerabilities and Exposures (CVE) across various industries based on customer reports. The ranking displays industries from the most to least affected by this particular vulnerability, offering valuable insight into where this CVE has been most frequently observed. This information can help organizations within these sectors prioritize their security efforts, understand their relative risk exposure compared to their peers, and focus remediation strategies where they are most needed. By understanding the industry-specific impact, organizations can make more informed decisions regarding patching, resource allocation, and overall risk management related to this CVE.
- Health Care & Social AssistanceHealth Care & Social Assistance
- ManufacturingManufacturing
- Public AdministrationPublic Administration
- Educational ServicesEducational Services
- Finance and InsuranceFinance and Insurance
- Transportation & WarehousingTransportation & Warehousing
- Professional, Scientific, & Technical ServicesProfessional, Scientific, & Technical Services
- UtilitiesUtilities
- Retail TradeRetail Trade
- Other Services (except Public Administration)Other Services (except Public Administration)
- InformationInformation
- Arts, Entertainment & RecreationArts, Entertainment & Recreation
- Management of Companies & EnterprisesManagement of Companies & Enterprises
- Real Estate Rental & LeasingReal Estate Rental & Leasing
- Accommodation & Food ServicesAccommodation & Food Services
- Agriculture, Forestry Fishing & HuntingAgriculture, Forestry Fishing & Hunting
- ConstructionConstruction
- MiningMining
- Wholesale TradeWholesale Trade
- Administrative, Support, Waste Management & Remediation ServicesAdministrative, Support, Waste Management & Remediation Services