CVE-2013-1858 Privilege escalation in n/a

What is CVE-2013-1858?

CVE-2013-1858 is a high-severity vulnerability in Linux kernel, published on 5 Apr 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The clone system-call implementation in the Linux kernel before 3.8.3 does not properly handle a combination of the CLONE_NEWUSER and CLONE_FS flags, which allows local users to gain privileges by calling chroot and leveraging the sharing of the / directory between a parent process and a child process.

Weakness: CWE-264

Which versions are affected by CVE-2013-1858?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-1858?

No fix has been published for CVE-2013-1858 yet. Limit exposure of the affected software until one is available.

Is CVE-2013-1858 being exploited?

There is no known exploitation of CVE-2013-1858 in the wild and no public exploit code.

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-7j9j-f52c-89mj.