projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: a2e06b0) | 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>
Sun, 4 Jun 2017 02:03:01 +0000 (02:03 +0000)
commite92eb82c619c727762703ff550b580dfc913f5d8
treed0c6875f1e0c48c19035eea21fbbb7e59f103525tree | snapshot
parenta2e06b08e30f827edfd00ad3853eb2feb55adb3fcommit | 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.