diff --git a/meta/recipes-kernel/linux/cve-exclusion.inc b/meta/recipes-kernel/linux/cve-exclusion.inc
index 4729191a..8714173c 100644
--- a/meta/recipes-kernel/linux/cve-exclusion.inc
+++ b/meta/recipes-kernel/linux/cve-exclusion.inc
@@ -250,3 +250,13 @@ CVE_STATUS[CVE-2023-3397] = "unpatched: Proposed fix was withdrawn"
 # https://ubuntu.com/security/CVE-2023-6238
 # https://lore.kernel.org/linux-nvme/20231016060519.231880-1-joshi.k@samsung.com/
 CVE_STATUS[CVE-2023-6238] = "unpatched: Proposed fix was not merged"
+
+# Triaged August 2026 - "Marvin" attack, Red Hat reports this fixed but the
+# exact patch is unidentified (see RHSA-2024:2758, RHSA-2024:3618 & others).
+# Unfixed in Debian, "Needs evaluation" in Ubuntu.
+# https://people.redhat.com/~hkario/marvin/
+# https://access.redhat.com/security/cve/cve-2023-6240
+# https://security-tracker.debian.org/tracker/CVE-2023-6240
+# https://ubuntu.com/security/CVE-2023-6240
+CVE_STATUS[CVE-2023-6240] = "unpatched: Fixed in RHEL but patch not identified \
+publicly"