Security readout for executives and security teams
This is an old Linux kernel flaw where local users could sometimes receive stale or incorrect disk data when O_DIRECT handled sparse or truncated files. The business risk is unauthorized disclosure of data from other users on affected legacy systems. Exposure is most plausible on obsolete Linux 2.4 systems before 2.4.22, especially shared hosts with local user access. The bundle does not identify specific distributions, packages, or supported affected products. Treat this as a legacy exposure cleanup item, not an emergency internet-facing issue. Prioritize if any multi-user or sensitive-data systems still run pre-2.4.22 Linux kernels. Mitigation focus: Inventory systems for Linux kernels older than 2.4.22.; Upgrade affected hosts to vendor-supported patched kernels.; Prioritize shared systems where untrusted users have local accounts..
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-2003-0956 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
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
- linux-kernel-odirect-information-disclosure(42942)CVE reference · vdb-entry, x_refsource_XF
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.
