---------------------------------------------------------------------- Windows Applications Insecure Library Loading The Official, Verified Secunia List: http://secunia.com/advisories/windows_insecure_library_loading/ The list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected. ---------------------------------------------------------------------- TITLE: Linux Kernel Memory Leak Weaknesses SECUNIA ADVISORY ID: SA41440 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/41440/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=41440 RELEASE DATE: 2010-09-16 DISCUSS ADVISORY: http://secunia.com/advisories/41440/#comments AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s) http://secunia.com/advisories/41440/ ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS https://ca.secunia.com/?page=viewadvisory&vuln_id=41440 ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI: * AUTOMATED SCANNING http://secunia.com/vulnerability_scanning/personal/ http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/ DESCRIPTION: Some weaknesses have been reported in the Linux Kernel, which can be exploited by malicious, local users to disclose certain system information. 1) The "de4x5_ioctl()" function in drivers/net/tulip/de4x5.c incorrectly copies an uninitialised structure member to userspace, which can be exploited to disclose kernel stack memory via the DE4X5_GET_REG IOCTL. 2) The "cxgb_extension_ioctl()" function in drivers/net/cxgb3/cxgb3_main.c, the " eql_g_master_cfg()" function in drivers/net/eql.c, and the "hso_get_count()" function in drivers/net/usb/hso.c are not properly initializing all members of certain structures before copying them to userspace, which can be exploited to disclose kernel stack memory by sending certain IOCTLs. SOLUTION: Restrict access to trusted users only. PROVIDED AND/OR DISCOVERED BY: Dan Rosenberg ORIGINAL ADVISORY: 1) http://lkml.org/lkml/2010/9/14/317 2) http://lkml.org/lkml/2010/9/11/170 http://lkml.org/lkml/2010/9/11/168 http://lkml.org/lkml/2010/9/11/167 OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ EXPLOIT: Further details available in Customer Area: http://secunia.com/products/corporate/EVM/ ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/advisories/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/advisories/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------