Bug 237477 (CVE-2008-3911)

Summary:	Linux <2.6.26.4 sunrpc: fix possible overrun on read of /proc/sys/sunrpc/transports (CVE-2008-3911)
Product:	Gentoo Security	Reporter:	Robert Buchholz (RETIRED) <rbu>
Component:	Kernel	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	normal	CC:	kernel
Priority:	High
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=27df6f25ff218072e0e879a96beeb398a79cdbc8
Whiteboard:	[linux <2.6.25.17] [linux >=2.6.26 <2.6.26.4]
Package list:		Runtime testing required:	---

Description Robert Buchholz (RETIRED) gentoo-dev

2008-09-12 13:52:40 UTC

CVE-2008-3911 (http://nvd.nist.gov/nvd.cfm?cvename=CVE-2008-3911):
  The proc_do_xprt function in net/sunrpc/sysctl.c in the Linux kernel
  2.6.26.3 does not check the length of a certain buffer obtained from
  userspace, which allows local users to overflow a stack-based buffer
  and have unspecified other impact via a crafted read system call for
  the /proc/sys/sunrpc/transports file.

Comment 1 RumpletonBongworth 2009-07-20 22:16:28 UTC

Corrected Status Whiteboard (refer to relevant upstream ChangeLogs for corroboration). hardened-kernel unaffected at present time. Removing alias.

PS: genpatches-2.6.25-11 included 2.6.25.17. genpatches-2.6.26-3 included 2.6.26.4.