Turn off remedations for /dev/shm
#11364
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Start a new ephemeral environment with changes proposed in this pull request: rhel8 (from CTF) Environment (using Fedora as testing environment) Fedora Testing Environment Oracle Linux 8 Environment |
Both the Blueprint and Anaconda are not applicable on modern Linux OSs.
Since this should be tmpfs and this making IB builds fail these rules' blueprint remediation has been disabled.
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This datastream diff is auto generated by the check Click here to see the full diffNew content has different text for rule 'xccdf_org.ssgproject.content_rule_partition_for_dev_shm'.
--- xccdf_org.ssgproject.content_rule_partition_for_dev_shm
+++ xccdf_org.ssgproject.content_rule_partition_for_dev_shm
@@ -3,19 +3,23 @@
Ensure /dev/shm is configured
[description]:
-The /dev/shm is a traditional shared memory concept.
-One program will create a memory portion, which other processes
-(if permitted) can access. If /dev/shm is not configured,
+The /dev/shm is a traditional shared memory concept.
+One program will create a memory portion, which other processes
+(if permitted) can access. If /dev/shm is not configured,
tmpfs will be mounted to /dev/shm by systemd.
+[warning]:
+This rule does not have a remedation.
+It is expected that this will be managed by systemd and will be a tmpfs partition.
+
[rationale]:
-Any user can upload and execute files inside the /dev/shm similar to
-the /tmp partition. Configuring /dev/shm allows an administrator
-to set the noexec option on the mount, making /dev/shm useless for an attacker to
-install executable code. It would also prevent an attacker from establishing a
-hardlink to a system setuid program and wait for it to be updated. Once the program
-was updated, the hardlink would be broken and the attacker would have his own copy
-of the program. If the program happened to have a security vulnerability, the attacker
+Any user can upload and execute files inside the /dev/shm similar to
+the /tmp partition. Configuring /dev/shm allows an administrator
+to set the noexec option on the mount, making /dev/shm useless for an attacker to
+install executable code. It would also prevent an attacker from establishing a
+hardlink to a system setuid program and wait for it to be updated. Once the program
+was updated, the hardlink would be broken and the attacker would have his own copy
+of the program. If the program happened to have a security vulnerability, the attacker
could continue to exploit the known flaw.
[ident]:
New data stream is missing blueprint remediation for rule 'xccdf_org.ssgproject.content_rule_partition_for_dev_shm'.
New data stream is missing anaconda remediation for rule 'xccdf_org.ssgproject.content_rule_partition_for_dev_shm'. |
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Code Climate has analyzed commit 490f4c0 and detected 0 issues on this pull request. The test coverage on the diff in this pull request is 100.0% (50% is the threshold). This pull request will bring the total coverage in the repository to 58.5%. View more on Code Climate. |
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Description:
mount_option_dev_shm_noexecmount_option_dev_shm_*Rationale:
Fixes #11344
Fixes RHEL-16801 and RHEL-17386
It should be fine since default this will be tmpfs partition managed by systemd.