This is a note to let you know that I've just added the patch titled
ima: do not measure or appraise the NSFS filesystem
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ima-do-not-measure-or-appraise-the-nsfs-filesystem.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From cd025f7f94108995383edddfb61fc8afea6c66a9 Mon Sep 17 00:00:00 2001
From: Mimi Zohar <[email protected]>
Date: Tue, 21 Apr 2015 16:54:24 -0400
Subject: ima: do not measure or appraise the NSFS filesystem
From: Mimi Zohar <[email protected]>
commit cd025f7f94108995383edddfb61fc8afea6c66a9 upstream.
Include don't appraise or measure rules for the NSFS filesystem
in the builtin ima_tcb and ima_appraise_tcb policies.
Changelog:
- Update documentation
Signed-off-by: Mimi Zohar <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
Documentation/ABI/testing/ima_policy | 3 +++
security/integrity/ima/ima_policy.c | 2 ++
2 files changed, 5 insertions(+)
--- a/Documentation/ABI/testing/ima_policy
+++ b/Documentation/ABI/testing/ima_policy
@@ -65,6 +65,9 @@ Description:
# CGROUP_SUPER_MAGIC
dont_measure fsmagic=0x27e0eb
dont_appraise fsmagic=0x27e0eb
+ # NSFS_MAGIC
+ dont_measure fsmagic=0x6e736673
+ dont_appraise fsmagic=0x6e736673
measure func=BPRM_CHECK
measure func=FILE_MMAP mask=MAY_EXEC
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -81,6 +81,7 @@ static struct ima_rule_entry default_rul
{.action = DONT_MEASURE, .fsmagic = SELINUX_MAGIC, .flags =
IMA_FSMAGIC},
{.action = DONT_MEASURE, .fsmagic = CGROUP_SUPER_MAGIC,
.flags = IMA_FSMAGIC},
+ {.action = DONT_MEASURE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC},
{.action = MEASURE, .func = MMAP_CHECK, .mask = MAY_EXEC,
.flags = IMA_FUNC | IMA_MASK},
{.action = MEASURE, .func = BPRM_CHECK, .mask = MAY_EXEC,
@@ -101,6 +102,7 @@ static struct ima_rule_entry default_app
{.action = DONT_APPRAISE, .fsmagic = BINFMTFS_MAGIC, .flags =
IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = SECURITYFS_MAGIC, .flags =
IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = SELINUX_MAGIC, .flags =
IMA_FSMAGIC},
+ {.action = DONT_APPRAISE, .fsmagic = NSFS_MAGIC, .flags = IMA_FSMAGIC},
{.action = DONT_APPRAISE, .fsmagic = CGROUP_SUPER_MAGIC, .flags =
IMA_FSMAGIC},
#ifndef CONFIG_IMA_APPRAISE_SIGNED_INIT
{.action = APPRAISE, .fowner = GLOBAL_ROOT_UID, .flags = IMA_FOWNER},
Patches currently in stable-queue which might be from [email protected]
are
queue-4.1/keys-fix-ca_keys-partial-key-matching.patch
queue-4.1/ima-update-builtin-policies.patch
queue-4.1/ima-extend-mask-policy-matching-support.patch
queue-4.1/ima-cleanup-ima_init_policy-a-little.patch
queue-4.1/evm-labeling-pseudo-filesystems-exception.patch
queue-4.1/ima-fix-ima_show_template_data_ascii.patch
queue-4.1/ima-add-support-for-new-euid-policy-condition.patch
queue-4.1/ima-do-not-measure-or-appraise-the-nsfs-filesystem.patch
queue-4.1/ima-skip-measurement-of-cgroupfs-files-and-update-documentation.patch
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