CVE-1999-0720 Privilege escalation in n/a

What is CVE-1999-0720?

CVE-1999-0720 is a medium-severity vulnerability in Linux kernel, published on 18 Apr 2000. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The pt_chown command in Linux allows local users to modify TTY terminal devices that belong to other users.

Which versions are affected by CVE-1999-0720?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-1999-0720?

No fix has been published for CVE-1999-0720 yet. Limit exposure of the affected software until one is available.

Is CVE-1999-0720 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-1999-0720 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-xcvw-xrwf-77hv.