projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a81bffc) | patch
kexec: Disable at runtime if securelevel has been set.
authorMatthew Garrett <mjg59@srcf.ucam.org>
Fri, 9 Aug 2013 07:33:56 +0000 (03:33 -0400)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 12 Jan 2017 15:52:37 +0000 (15:52 +0000)
commit4ba8bea41f7820e3bb1e7297c33c6d3fd0fb4a18
tree83e32b4f0562b33942b409b057bc71db48ee049btree | snapshot
parenta81bffc37a0290a2a01810757d742b3a5735e787commit | diff
kexec: Disable at runtime if securelevel has been set.

kexec permits the loading and execution of arbitrary code in ring 0, which
permits the modification of the running kernel. Prevent this if securelevel
has been set.

Signed-off-by: Matthew Garrett <mjg59@srcf.ucam.org>
Gbp-Pq: Topic features/all/securelevel
Gbp-Pq: Name kexec-disable-at-runtime-if-securelevel-has-been-set.patch
kernel/kexec.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.