LiveActive security incident?Get immediate response
CVE Record

CVE-2007-6762: In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it...

In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2007-6762 is an old Linux kernel memory-safety bug fixed before Linux 2.6.20. It involves NetLabel/CIPSO handling and could overflow a small internal tags array. The source bundle provides no CVSS score, exploitation evidence, or detailed product impact.

Executive priority

Low immediate urgency unless the organization still operates very old Linux kernels or appliances. Prioritize as a legacy asset hygiene issue, with escalation for internet-facing or safety-critical systems where vendor support is unclear.

Technical view

The issue is an off-by-one flaw in net/netlabel/netlabel_cipso_v4.c that can overflow doi_def->tags[]. Sources identify Linux kernel versions before 2.6.20 and reference the upstream fix commit and 2.6.20 changelog. No CWE, attack vector, privileges, or impact details are supplied.

Likely exposure

Likely exposure is limited to legacy systems, embedded devices, or appliances still running Linux kernel versions before 2.6.20. The bundle includes an F5 advisory link, but it does not include enough detail here to state specific F5 product impact.

Exploitation context

The source bundle does not show CISA KEV listing, public exploitation, exploit maturity, or real-world attacks. Treat active exploitation as unconfirmed. Risk depends heavily on whether affected NetLabel/CIPSO code is present and reachable in a given deployment.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploitability analysis, or affected product matrix is provided. The strongest facts are the file, array overflow condition, affected pre-2.6.20 kernel range, and upstream fix reference.

Mitigation direction

  • Upgrade affected Linux kernels to 2.6.20 or a supported fixed vendor release.
  • Check distribution and appliance vendor advisories for backported fixes.
  • Inventory legacy Linux-based appliances and embedded systems for kernel version exposure.
  • Avoid relying on undocumented configuration workarounds; confirm vendor guidance first.

Validation and detection

  • Identify systems running Linux kernels older than 2.6.20.
  • Confirm whether vendor kernels include the referenced upstream fix commit or backport.
  • Review appliance vendor advisories, including F5 guidance, for product-specific status.
  • Document any unsupported legacy systems that cannot be patched.
Prepared
Confidence
medium
Sources
5

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

CVE-2007-6762 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.