CVE-2011-0711

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