diff --git a/meta/classes-global/yocto-check-layer.bbclass b/meta/classes-global/yocto-check-layer.bbclass
index ba93085325..1ef5424083 100644
--- a/meta/classes-global/yocto-check-layer.bbclass
+++ b/meta/classes-global/yocto-check-layer.bbclass
@@ -56,7 +56,39 @@ def check_network_flag(d):
         if network and not is_allowed(bpn, task):
             bb.error(f"QA Issue: task {task} has network enabled")
 
+def check_missing_srcrev(d):
+    import bb.fetch2
+    src_uri = (d.getVar('SRC_URI', False) or '').split()
+    pn = d.getVar('PN')
+    for uri in src_uri:
+        try:
+            (scheme, _, _, _, _, params) = bb.fetch2.decodeurl(uri)
+        except Exception:
+            continue
+        if scheme not in ('git', 'gitsm', 'hg', 'svn'):
+            continue
+        if params.get('rev', ''):
+            continue
+        name = params.get('name', '') or 'default'
+        candidates = [
+            'SRCREV_%s:pn-%s' % (name, pn),
+            'SRCREV_%s' % name,
+            'SRCREV:pn-%s' % pn,
+            'SRCREV',
+        ]
+        raw = None
+        for candidate in candidates:
+            raw = d.getVar(candidate, False)
+            if raw:
+                break
+        if not raw or raw == 'INVALID':
+            bb.error("QA Issue: %s: %s not set for SCM URI %s [missing-srcrev]" % (
+                d.getVar('PN'), candidates[-1], uri))
+            d.setVar("QA_ERRORS_FOUND", "True")
+
+
 python () {
     check_insane_skip(d)
     check_network_flag(d)
+    check_missing_srcrev(d)
 }