diff --git a/sysfs/vulnerability.go b/sysfs/vulnerability.go
index 08927a21..5a14a3e7 100644
--- a/sysfs/vulnerability.go
+++ b/sysfs/vulnerability.go
@@ -17,7 +17,6 @@
 package sysfs
 
 import (
-	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
@@ -27,12 +26,14 @@ const (
 	notAffected = "not affected" // based on: https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-devices-system-cpu
 	vulnerable  = "vulnerable"
 	mitigation  = "mitigation"
+	unknown     = "unknown"
 )
 
 const (
 	VulnerabilityStateNotAffected = iota
 	VulnerabilityStateVulnerable
 	VulnerabilityStateMitigation
+	VulnerabilityStateUnknown
 )
 
 var (
@@ -42,6 +43,7 @@ var (
 		VulnerabilityStateNotAffected: notAffected,
 		VulnerabilityStateVulnerable:  vulnerable,
 		VulnerabilityStateMitigation:  mitigation,
+		VulnerabilityStateUnknown:     unknown,
 	}
 )
 
@@ -98,9 +100,17 @@ func parseVulnerability(name, rawContent string) (*Vulnerability, error) {
 		if len(m) > 1 {
 			v.Mitigation = strings.Join(m[1:], " ")
 		}
+	case strings.HasPrefix(rawContentLower, unknown):
+		v.State = VulnerabilityStateUnknown
+		m := strings.Fields(rawContent)
+		if len(m) > 1 {
+			v.Mitigation = strings.Join(m[1:], " ")
+		}
 	default:
-		return nil, fmt.Errorf("unknown vulnerability state for %s: %s", name, rawContent)
-
+		// Output the raw data obtained from the vulnerability, with state
+		// unknown, rather than erroring out
+		v.State = VulnerabilityStateUnknown
+		v.Mitigation = rawContent
 	}
 	return v, nil
 }
diff --git a/sysfs/vulnerability_test.go b/sysfs/vulnerability_test.go
index 255586d8..ec9cafcb 100644
--- a/sysfs/vulnerability_test.go
+++ b/sysfs/vulnerability_test.go
@@ -38,14 +38,15 @@ func TestFS_CPUVulnerabilities(t *testing.T) {
 		want              *Vulnerability
 		wantErr           bool
 	}{
-		{"Not affected", "itlb_multihit", &Vulnerability{CodeName: "itlb_multihit", State: VulnerabilityStateNotAffected, Mitigation: ""}, false},
-		{"Not affected with underscores", "tsx_async_abort", &Vulnerability{CodeName: "tsx_async_abort", State: VulnerabilityStateNotAffected, Mitigation: ""}, false},
+		{"Not affected", "tsx_async_abort", &Vulnerability{CodeName: "tsx_async_abort", State: VulnerabilityStateNotAffected, Mitigation: ""}, false},
 		{"Mitigation simple string", "spec_store_bypass", &Vulnerability{CodeName: "spec_store_bypass", State: VulnerabilityStateMitigation, Mitigation: "Speculative Store Bypass disabled via prctl"}, false},
 		{"Mitigation special chars", "retbleed", &Vulnerability{CodeName: "retbleed", State: VulnerabilityStateMitigation, Mitigation: "untrained return thunk; SMT enabled with STIBP protection"}, false},
 		{"Mitigation more special chars", "spectre_v1", &Vulnerability{CodeName: "spectre_v1", State: VulnerabilityStateMitigation, Mitigation: "usercopy/swapgs barriers and __user pointer sanitization"}, false},
 		{"Mitigation with multiple subsections", "spectre_v2", &Vulnerability{CodeName: "spectre_v2", State: VulnerabilityStateMitigation, Mitigation: "Retpolines, IBPB: conditional, STIBP: always-on, RSB filling, PBRSB-eIBRS: Not affected"}, false},
 		{"Vulnerable", "mds", &Vulnerability{CodeName: "mds", State: VulnerabilityStateVulnerable, Mitigation: ""}, false},
 		{"Vulnerable with mitigation available", "mmio_stale_data", &Vulnerability{CodeName: "mmio_stale_data", State: VulnerabilityStateVulnerable, Mitigation: "Clear CPU buffers attempted, no microcode"}, false},
+		{"Unknown", "srbds", &Vulnerability{CodeName: "srbds", State: VulnerabilityStateUnknown, Mitigation: "Dependent on hypervisor status"}, false},
+		{"Unknown with unparseable mitigation", "itlb_multihit", &Vulnerability{CodeName: "itlb_multihit", State: VulnerabilityStateUnknown, Mitigation: "KVM: Mitigation: VMX unsupported"}, false},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
diff --git a/testdata/fixtures.ttar b/testdata/fixtures.ttar
index ae2e0f0b..39ec9462 100644
--- a/testdata/fixtures.ttar
+++ b/testdata/fixtures.ttar
@@ -13239,7 +13239,7 @@ Mode: 755
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: fixtures/sys/devices/system/cpu/vulnerabilities/itlb_multihit
 Lines: 1
-Not affected
+KVM: Mitigation: VMX unsupported
 Mode: 444
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: fixtures/sys/devices/system/cpu/vulnerabilities/mds
@@ -13272,6 +13272,11 @@ Lines: 1
 Mitigation: Retpolines, IBPB: conditional, STIBP: always-on, RSB filling, PBRSB-eIBRS: Not affected
 Mode: 444
 # ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+Path: fixtures/sys/devices/system/cpu/vulnerabilities/srbds
+Lines: 1
+Unknown: Dependent on hypervisor status
+Mode: 444
+# ttar - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 Path: fixtures/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
 Lines: 1
 Not affected