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Product
Threat intelligence API
Get started
Live feed
Recipes
Free feeds
CLI & agents
The data
Incident records
Dark web
Validated IOCs
Vulnerabilities
Entity graph
For teams
For service providers
Use cases
About ThreatCluster
Docs
OpenAPI (Swagger)
ReDoc
Examples on GitHub
Quickstart & plans
Integrations
Export formats
CLI setup
Pricing
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TUNderflow
Vulnerability
Threat entity extracted from intelligence sources
Sep 13: 0 mentions
Sep 14: 0 mentions
Sep 15: 0 mentions
Sep 16: 0 mentions
Sep 17: 0 mentions
Sep 18: 2 mentions
Sep 19: 2 mentions
Sep 13
Sep 16
Sep 19
Entities
›
vulnerability
›
TUNderflow
Frequency
4
occurrences
First Seen
September 18, 2026
Last Seen
September 19, 2026
API
Overview
Recent Events
Profile
Profile
MITRE ATT&CK
1 / 2
Tools Used
Pam_permit.so
Pam_rootok.so
Related CVEs
CVE-2026-81000
CVE-2026-74469
CVE-2026-80844
CVE-2026-68121
CVE-2026-53266
MITRE Techniques
T1068 - Exploitation for Privilege Escalation
T1499 - Endpoint Denial of Service
Affected Platforms
Linux
Open VSwitch
-
REC
Recon
No techniques detected
-
RD
Resource Dev
No techniques detected
-
IA
Initial Access
No techniques detected
-
EX
Execution
No techniques detected
-
PE
Persistence
No techniques detected
1
PE
Priv Esc
T1068 - Exploitation for Privilege Escalation
-
DE
Defense Evasion
No techniques detected
-
CA
Cred Access
No techniques detected
-
DI
Discovery
No techniques detected
-
LM
Lateral Mov
No techniques detected
-
CO
Collection
No techniques detected
-
C2
C2
No techniques detected
-
EX
Exfil
No techniques detected
-
IM
Impact
No techniques detected
2
techniques detected across
1
tactics
Related Clusters (2)
CISA Flags Active Exploitation of Linux Kernel Vulnerabilities
7h ago
·
2 sources
74
Public Exploits for Four Critical Linux Kernel Flaws Released
4h ago
·
2 sources
65
Related Articles (4)
Public Exploits Released For Multiple Linux Kernel Flaws Enabling Root Access
Linkedin
·
4h ago
CISA Flags Three Linux Kernel Vulnerabilities Exploited in the Wild
Thehackernews
·
7h ago
Lpe Quartet
heyitsas.im
·
18h ago
Public Exploits Released for Four Linux Kernel Flaws That Enable Local Root
Thehackernews
·
19h ago
Related Entities
Zero-day Exploit
CVE-2026-81000
CVE-2026-74469
CVE-2026-80844
CVE-2026-68121
CVE-2026-53266
Cwe-787 - Out-of-bounds Write
Cwe-416 - Use After Free
Cwe-190 - Integer Overflow Or Wraparound
Cwe-362 - Race Condition
CWE-269 - Improper Privilege Management
CWE-200 - Exposure of Sensitive Information
