On Wed, 2011-04-13 at 09:09 -0700, Greg KH wrote: > 2.6.33-longterm review patch. If anyone has any objections, please let us > know. > > ------------------ > > From: Dan Rosenberg <[email protected]> > > commit c4d0c3b097f7584772316ee4d64a09fe0e4ddfca upstream. > > The FSGEOMETRY_V1 ioctl (and its compat equivalent) calls out to > xfs_fs_geometry() with a version number of 3. This code path does not > fill in the logsunit member of the passed xfs_fsop_geom_t, leading to > the leaking of four bytes of uninitialized stack data to potentially > unprivileged callers. [...]
Needs a subsequent fix, like the corresponding bug fix in 2.6.32.37-rc1. Ben. -- Ben Hutchings Once a job is fouled up, anything done to improve it makes it worse.
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