Security readout for executives and security teams
This issue affects very old Linux kernels before 2.6.34 in a specific GRE networking module-loading scenario. A remote party could trigger a kernel crash, causing service disruption, if the vulnerable configuration is present. It is not listed in KEV, and the supplied sources do not show active exploitation. Exposure is likely limited to legacy Linux systems running kernels before 2.6.34 with ip_gre available as a loadable module. Modern supported distributions are unlikely to run this kernel line, but embedded, appliance, or long-lived unmanaged systems should be checked. Treat this as a legacy infrastructure hygiene issue. It can cause outages but the supplied evidence does not show active exploitation. Prioritize discovery of old kernels and remediation through supported vendor updates or system retirement. Mitigation focus: Upgrade to a vendor-supported kernel containing the upstream ip_gre fix.; Confirm Linux 2.6.34 or later, or a backported vendor patch, is deployed.; Review vendor advisories for exact package versions and support status..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2011-1767 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=702303CVE reference · x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/c2892f02712e9516d72841d5c019ed6916329794CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.