---------------------------------------------------------------------- Secunia is hiring! Find your next job here: http://secunia.com/company/jobs/ ---------------------------------------------------------------------- TITLE: Linux Kernel DRM "drm_mode_dirtyfb_ioctl()" Integer Overflow Vulnerability SECUNIA ADVISORY ID: SA47486 VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/47486/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=47486 RELEASE DATE: 2012-01-11 DISCUSS ADVISORY: http://secunia.com/advisories/47486/#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/47486/ 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=47486 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: A vulnerability has been reported in the Linux Kernel, which can be exploited by malicious, local users to cause a DoS (Denial of Service) and potentially gain escalated privileges. The vulnerability is caused due to an integer overflow error within the "drm_mode_dirtyfb_ioctl()" function (drivers/gpu/drm/crm_crtc.c) and can be exploited to cause a memory corruption by sending specially crafted IOCTLs. SOLUTION: Fixed in the GIT repository. PROVIDED AND/OR DISCOVERED BY: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a5cd335165e31db9dbab636fd29895d41da55dd2 ORIGINAL ADVISORY: Haogang Chen OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED DESCRIPTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/ ---------------------------------------------------------------------- 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 ----------------------------------------------------------------------