What’s Vulnerable › Vulnerabilities

CVE-2018-7273

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-02-21 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• Linux kernel: through 4.15.4

References

• http://www.securityfocus.com/bid/103088
• https://lkml.org/lkml/2018/2/20/669
• https://www.exploit-db.com/exploits/44325/
• http://www.securityfocus.com/bid/103088
• https://lkml.org/lkml/2018/2/20/669
• https://www.exploit-db.com/exploits/44325/

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