CVE-2018-7273 Information disclosure in n/a

What is CVE-2018-7273?

CVE-2018-7273 is a medium-severity vulnerability in Linux kernel, published on 21 Feb 2018. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel through 4.15.4, the floppy driver reveals the addresses of kernel functions and global variables using printk calls within the function show_floppy in drivers/block/floppy.c. An attacker can read this information from dmesg and use the addresses to find the locations of kernel code and data and bypass kernel security protections such as KASLR.

Weakness: CWE-200

Which versions are affected by CVE-2018-7273?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2018-7273?

Apply the vendor's patch.

Is CVE-2018-7273 being exploited?

There is no known exploitation of CVE-2018-7273 in the wild and no public exploit code.

Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.

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-2018-7273, GHSA-749m-f23f-j6rq, UBUNTU-CVE-2018-7273.