CVE-1999-1441 Denial of service in n/a

What is CVE-1999-1441?

CVE-1999-1441 is a low-severity denial of service vulnerability in Linux kernel, published on 12 Sep 2001. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Which versions are affected by CVE-1999-1441?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-1999-1441?

No fix has been published for CVE-1999-1441 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-1999-1441 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-1441 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-464h-jp73-4qp4.