Description
The xfs_fs_geometry function in fs/xfs/xfs_fsops.c in the Linux kernel before 2.6.38-rc6-git3 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FSGEOMETRY_V1 ioctl call.
Affected products
- Linux / Linux kernel2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- Linux / Linux kernel2.6.38 – 2.6.38
- RedHat / enterprise_linux_desktop5.0 – 5.0
- RedHat / enterprise_linux_server5.0 – 5.0
- RedHat / enterprise_linux_server_aus5.6 – 5.6
- RedHat / enterprise_linux_server_eus5.6 – 5.6
- RedHat / enterprise_linux_workstation5.0 – 5.0
References
- MISChttp://www.securityfocus.com/bid/46417
- MISChttps://patchwork.kernel.org/patch/555461/
- MISChttp://rhn.redhat.com/errata/RHSA-2011-0927.html
- MISChttps://bugzilla.redhat.com/show_bug.cgi?id=677260
- MAILING_LISThttp://openwall.com/lists/oss-security/2011/02/16/10
- MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3a3675b7f23f83ca8c67c9c2b6edf707fd28d1ba
- MAILING_LISThttp://openwall.com/lists/oss-security/2011/02/16/4
- MISChttp://osvdb.org/70950
- MISChttp://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.38-rc6-git3.log