Secunia Security Advisory - A weakness has been reported in the Linux Kernel, which can be exploited by malicious, local users to disclose certain system information.
69630623e3b8634ef0c5ab31227c5d48561ead49c5102d4bd656d6c17d9a2ffb
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TITLE:
Linux Kernel "xfs_ioc_fsgetxattr()" Memory Leak
SECUNIA ADVISORY ID:
SA41284
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/41284/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=41284
RELEASE DATE:
2010-09-08
DISCUSS ADVISORY:
http://secunia.com/advisories/41284/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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* Impact
* Where
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* CVE Reference(s)
http://secunia.com/advisories/41284/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=41284
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 weakness has been reported in the Linux Kernel, which can be
exploited by malicious, local users to disclose certain system
information.
The weakness is caused due to the "xfs_ioc_fsgetxattr()" function in
fs/xfs/linux-2.6/xfs_ioctl.c not properly initializing all members of
a certain structure before copying it to userspace, which can be
exploited to disclose kernel stack memory by sending
XFS_IOC_FSGETXATTR IOCTLs.
SOLUTION:
Restrict access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Dan Rosenberg
ORIGINAL ADVISORY:
http://www.linux.sgi.com/cgi-bin/mesg.cgi?a=xfs-masters&i=AANLkTi%3DHdtMVJk7rCf89zirUcyn-5qc%2B50soVt%3D7dE6t%40mail.gmail.com
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
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