CVE-1999-1441: n/a vulnerability

CVE-1999-1441: Linux 2.0.34 does not properly prevent users from sending SIGIO signals to arbitrary processes, which allow...

Linux 2.0.34 does not properly prevent users from sending SIGIO signals to arbitrary processes, which allows local users to cause a denial of service by sending SIGIO to processes that do not catch it.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 1, 2024, 17:11 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-1999-1441 is an old Linux kernel issue where a local user could disrupt other processes by sending SIGIO signals. The business risk is mainly legacy exposure: systems still running Linux 2.0.34 with untrusted local users could face denial-of-service impact. Exposure is likely limited to legacy systems running Linux 2.0.34 where users can obtain local accounts or equivalent local execution. Modern supported Linux deployments are unlikely to be affected, but the bundle does not list fixed versions or distribution advisories. Low for most organizations because this targets a very old kernel and requires local access. Raise priority if business-critical legacy systems still run Linux 2.0.34 with shared or untrusted user access. Mitigation focus: Identify any systems still running Linux 2.0.34.; Check vendor or distribution guidance for supported kernel upgrade paths.; Restrict untrusted local shell access on any affected legacy host..

Prepared: Jul 1, 2026, 08:44 UTC (UTC+00:00)

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: Sep 12, 2001, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

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Weakness

CWE details

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