Security readout for executives and security teams
CVE-2012-4444 is an old Linux kernel IPv6 fragment handling flaw. A remote attacker could use overlapping IPv6 fragments to bypass intended network restrictions. The public sources identify the issue as fixed before Linux 2.6.36 and covered by major vendor advisories. Exposure is most likely on legacy Linux systems, appliances, or vendor kernels derived from vulnerable pre-2.6.36 code and reachable by IPv6 traffic. Modern maintained distributions are likely patched, but embedded or unsupported systems need confirmation. Treat this as a legacy exposure and hygiene issue unless vulnerable IPv6-facing systems remain in production. Priority rises where Linux hosts or appliances enforce network restrictions and cannot be quickly patched. Mitigation focus: Update affected Linux kernels using vendor-supported packages or advisories.; Prioritize IPv6-exposed servers, routers, firewalls, and appliances.; Check Red Hat, SUSE, Ubuntu, or appliance vendor guidance for backported fixes..
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2012-4444 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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=874835CVE reference · x_refsource_CONFIRM
- https://github.com/torvalds/linux/commit/70789d7052239992824628db8133de08dc78e593CVE reference · x_refsource_CONFIRM
- https://media.blackhat.com/bh-eu-12/Atlasis/bh-eu-12-Atlasis-Attacking_IPv6-WP.pdfCVE reference · x_refsource_MISC
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.