Security readout for executives and security teams
This is a legacy Linux kernel TCP handling issue. Certain malformed TCP connection packets could pass firewall checks and still be accepted by the Linux TCP stack instead of being discarded. The bundle identifies exposure as Linux kernel versions before 2.4.20. Business urgency depends on whether any unsupported 2.4-era Linux systems remain in production or embedded appliances. Likely limited to very old Linux 2.4 kernels or systems based on them, including neglected appliances or embedded network devices. Modern, vendor-supported Linux distributions are unlikely to run kernels before 2.4.20, but asset inventory should verify this instead of assuming it. Handle as a legacy exposure cleanup item. It becomes urgent only if unsupported Linux 2.4-era systems still sit on exposed networks or enforce TCP firewall policy. Otherwise, prioritize verification through inventory and decommission planning over emergency response. Mitigation focus: Identify Linux systems running kernels older than 2.4.20.; Upgrade or retire affected legacy kernels where found.; Check vendor advisories for appliance-specific firmware guidance..
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.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2002-2438 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
- VU#464113CVE reference · third-party-advisory, x_refsource_CERT-VN
- https://www.kb.cert.org/vuls/id/464113%2CCVE reference · x_refsource_MISC
- https://bugzilla.suse.com/show_bug.cgi?id=744994%2CCVE reference · x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2012/02/03/7CVE reference · x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210727-0003/CVE 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.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
