CVE-2004-0186 Privilege escalation in n/a

What is CVE-2004-0186?

CVE-2004-0186 is a high-severity vulnerability in Linux kernel, published on 1 Sep 2004. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

smbmnt in Samba 2.x and 3.x on Linux 2.6, when installed setuid, allows local users to gain root privileges by mounting a Samba share that contains a setuid root program, whose setuid attributes are not cleared when the share is mounted.

Which versions are affected by CVE-2004-0186?

It affects 2 products.

Products include Linux kernel, Samba Samba.

How do I fix CVE-2004-0186?

Apply the vendor's patch.

Is CVE-2004-0186 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2004-0186 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 DEBIAN-CVE-2004-0186, DSA-463, GHSA-99qv-m5mw-g4v6.