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Bug 289914 (CVE-2009-2909)

Summary: Kernel: ax_25setsockopt() negative "optlen" OOPS DoS (CVE-2009-2909)
Product: Gentoo Security Reporter: Alex Legler (RETIRED) <a3li>
Component: KernelAssignee: Gentoo Security <security>
Severity: normal CC: hardened-kernel+disabled, kernel
Priority: High    
Version: unspecified   
Hardware: All   
OS: Linux   
Whiteboard: [linux <] [gp <2.6.31-3]
Package list:
Runtime testing required: ---

Description Alex Legler (RETIRED) archtester gentoo-dev Security 2009-10-20 21:52:47 UTC
CVE-2009-2909 (
  Integer signedness error in the ax25_setsockopt function in
  net/ax25/af_ax25.c in the ax25 subsystem in the Linux kernel before allows local users to cause a denial of service (OOPS) via a
  crafted optlen value in an SO_BINDTODEVICE operation.