Medium severity5.5NVD Advisory· Published Feb 21, 2018· Updated Jun 17, 2026
CVE-2018-7273
CVE-2018-7273
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.
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Affected products
2- Range: <=4.15.4
Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/44325/nvdExploitThird Party AdvisoryVDB Entry
- www.securityfocus.com/bid/103088nvdThird Party AdvisoryVDB Entry
- lkml.org/lkml/2018/2/20/669nvdMailing ListThird Party Advisory
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