CVE-2018-16885 Memory corruption in kernel

What is CVE-2018-16885?

CVE-2018-16885 is a medium-severity memory corruption vulnerability in Linux kernel, published on 3 Jan 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in the Linux kernel that allows the userspace to call memcpy_fromiovecend() and similar functions with a zero offset and buffer length which causes the read beyond the buffer boundaries, in certain cases causing a memory access fault and a system halt by accessing invalid memory address. This issue only affects kernel version 3.10.x as shipped with Red Hat Enterprise Linux 7.

Weakness: CWE-125

Which versions are affected by CVE-2018-16885?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux Server.

How do I fix CVE-2018-16885?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-16885 being exploited?

There is no known exploitation of CVE-2018-16885 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 DEBIAN-CVE-2018-16885, GHSA-cvhh-gmhx-mhv4.