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CVE Record

CVE-2003-0959: Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21...

Multiple integer overflows in the 32bit emulation for AMD64 architectures in Linux 2.4 kernel before 2.4.21 allows attackers to cause a denial of service or gain root privileges via unspecified vectors that trigger copy_from_user function calls with improper length arguments.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old Linux kernel flaw affecting AMD64 systems running 32-bit emulation in Linux 2.4 before 2.4.21. The reported impact is serious: a local attacker could crash the system or potentially gain root privileges. The public record does not provide detailed vectors or current exploitation evidence. Exposure is most likely limited to legacy AMD64 Linux systems using Linux 2.4 kernels before 2.4.21 with 32-bit emulation present. Modern supported Linux distributions are unlikely to run this kernel line, but embedded, legacy appliance, or unmaintained systems should be checked. Treat this as high priority only if legacy Linux 2.4 AMD64 systems still exist in the environment. The vulnerability is old, but the stated impact includes root compromise. Unsupported systems should be retired or isolated even if no active exploitation is cited. Mitigation focus: Inventory legacy AMD64 systems running Linux 2.4 kernels before 2.4.21.; Upgrade to Linux 2.4.21 or a vendor-supported patched kernel.; Check vendor advisories for backported fixes on appliance or embedded platforms..

Prepared

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

Potential ATT&CK relevance

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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
2Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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