CVE-2009-3725

The connector layer in the Linux kernel before 2.6.31.5 does not require the CAP_SYS_ADMIN capability for certain interaction with the (1) uvesafb, (2) pohmelfs, (3) dst, or (4) dm subsystem, which allows local users to bypass intended access restrictions and gain privileges via calls to functions in these subsystems.

• CWE-264

• http://marc.info/?l=linux-kernel&m=125449888416314&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=oss-security&m=125715484511380&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=oss-security&m=125716192622235&w=2Mailing List, Third Party Advisory
• http://patchwork.kernel.org/patch/51382/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51383/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51384/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51387/Patch, Vendor Advisory
• http://secunia.com/advisories/37113Third Party Advisory
• http://secunia.com/advisories/38905Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.5Vendor Advisory
• http://www.securityfocus.com/bid/36834Patch, Third Party Advisory
• http://www.ubuntu.com/usn/usn-864-1Third Party Advisory
• http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/Exploit, Third Party Advisory
• http://marc.info/?l=linux-kernel&m=125449888416314&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=oss-security&m=125715484511380&w=2Mailing List, Third Party Advisory
• http://marc.info/?l=oss-security&m=125716192622235&w=2Mailing List, Third Party Advisory
• http://patchwork.kernel.org/patch/51382/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51383/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51384/Patch, Vendor Advisory
• http://patchwork.kernel.org/patch/51387/Patch, Vendor Advisory
• http://secunia.com/advisories/37113Third Party Advisory
• http://secunia.com/advisories/38905Third Party Advisory
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31.5Vendor Advisory
• http://www.securityfocus.com/bid/36834Patch, Third Party Advisory
• http://www.ubuntu.com/usn/usn-864-1Third Party Advisory
• http://xorl.wordpress.com/2009/10/31/linux-kernel-multiple-capabilities-missing-checks/Exploit, Third Party Advisory

Published

Nov 6, 2009

Last Modified

Jun 16, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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