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CVE Record

CVE-2012-6122: Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of ser...

Buffer overflow in the thread scheduler in Chicken before 4.8.0.1 allows attackers to cause a denial of service (crash) by opening a file descriptor with a large integer value.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2012-6122 is a denial-of-service flaw in Chicken's thread scheduler. An attacker who can cause the runtime to open or handle a file descriptor with an unusually large integer value may crash the affected process. The sources do not show data theft, privilege escalation, or confirmed active exploitation.

Executive priority

Treat this as an availability risk, not a confirmed breach risk. Prioritize remediation if Chicken supports customer-facing, automation, or operational services. Lower priority is reasonable for isolated development-only installations after confirming no exposed runtime dependency.

Technical view

The issue is described as a buffer overflow in Chicken before 4.8.0.1, triggered by opening a file descriptor with a large integer value. The documented impact is process crash. Available source data does not include CVSS, CWE, exploit maturity, or detailed affected-platform matrices.

Likely exposure

Exposure is likely limited to environments running vulnerable Chicken versions and workloads where untrusted users or inputs can influence file descriptor allocation or handling. Internet exposure is not established by the sources and depends on how Chicken-based services are deployed.

Exploitation context

The provided bundle marks KEV as false, and no cited source in the bundle confirms active exploitation. The described abuse condition is narrow but can affect service availability if an exposed Chicken process can be driven into the vulnerable scheduler behavior.

Researcher notes

The source record is sparse: no CVSS, CWE, exploit status, or full affected-version matrix is provided. The clearest technical fact is a scheduler buffer overflow before 4.8.0.1 causing crash via a large file descriptor integer. Validate distro backports rather than relying only on upstream version strings.

Mitigation direction

  • Identify Chicken runtime versions in production, build, and packaging environments.
  • Upgrade vulnerable deployments to a release containing the 4.8.0.1 fix or later.
  • Check Debian, Red Hat, and vendor package guidance for backported fixes.
  • Prioritize services where Chicken processes handle untrusted workloads or long-running availability-sensitive tasks.

Validation and detection

  • Inventory installed Chicken packages and compare versions with vendor advisories.
  • Confirm whether affected services run Chicken before 4.8.0.1 or patched distro builds.
  • Review service architecture for untrusted paths that influence file descriptor handling.
  • Monitor affected processes for unexplained crashes until remediation is complete.
Prepared
Confidence
medium
Sources
6

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.

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CVE-2012-6122 mapping review

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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
5Source 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
chickenchicken4.8.0.1Listed
Weakness

CWE details

No CWE listed

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