meta: Add SECURITY.md file to all layers

diff --git a/meta-filesystems/SECURITY.md b/meta-filesystems/SECURITY.md
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+++ b/meta-filesystems/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-gnome/SECURITY.md b/meta-gnome/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-gnome/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-initramfs/SECURITY.md b/meta-initramfs/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-initramfs/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-multimedia/SECURITY.md b/meta-multimedia/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-multimedia/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-networking/SECURITY.md b/meta-networking/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-networking/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-oe/SECURITY.md b/meta-oe/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-oe/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-perl/SECURITY.md b/meta-perl/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-perl/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-python/SECURITY.md b/meta-python/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-python/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-webserver/SECURITY.md b/meta-webserver/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-webserver/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.
diff --git a/meta-xfce/SECURITY.md b/meta-xfce/SECURITY.md
new file mode 100644
index 0000000000..1530103230
--- /dev/null
+++ b/meta-xfce/SECURITY.md
@@ -0,0 +1,20 @@ 
+How to Report a Potential Vulnerability?
+========================================
+
+If you would like to report a public issue (for example, one with a released
+CVE number), please report it to the mailing list:
+
+  https://lists.openembedded.org/g/openembedded-devel
+
+If you are dealing with a not-yet released or urgent issue, please send a
+message to one of the maintainers listed in the README.  Include as many
+details as possible:
+  - the layer or software module affected
+  - the recipe and its version
+  - any example code, if available
+
+Branches maintained with security fixes
+---------------------------------------
+
+See https://wiki.yoctoproject.org/wiki/Releases for the list of current
+releases.  We only accept patches for the LTS releases and the master branch.