oss-security - CVE request: kernel: xfs: XFS_IOC

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Date: Tue, 07 Sep 2010 11:18:51 +0800
From: Eugene Teo <eugene@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.mitre.org>
Subject: CVE request: kernel: xfs: XFS_IOC_FSGETXATTR ioctl memory leak

 From Dan Rosenberg, "the XFS_IOC_FSGETXATTR ioctl allows unprivileged 
users to read 12 bytes of uninitialized stack memory, because the 
fsxattr struct declared on the stack in xfs_ioc_fsgetxattr() does not 
alter (or zero) the 12-byte fsx_pad member before copying it back to the 
user."

http://www.linux.sgi.com/archives/xfs-masters/2010-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=630804

Thanks, Eugene
-- 
main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); }

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