kernel update highly recommended
kyle at mcmartin.ca
Wed Dec 9 18:14:53 UTC 2009
I'd highly recommend if you're running 2.6.31 or 2.6.32, that you update
to the latest kernel in the koji builds here:
They fix a rather severe security problem with ext4 caused by
insufficient permission checking by the ext4 ioctl code, allowing a
malicious local user to corrupt files. Note, the ioctl isn't currently
used by userspace, so if you build your own kernels, you can just nuke
the entire EXT4_IOC_MOVE_EXT ioctl case.
NOTE: This is only a problem if you're using EXT4, if you aren't, you're
I'll get these pushed out to stable asap, but I wanted to let folks know
just in case rawhide doesn't compose before the downtime.
regards, Kyle M.
More information about the fedora-devel-list