CVE-2018-7273

Public Exploit

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.68% Top 20%
Third-Party Advisory securityfocus.com Third-Party Advisory lkml.org Third-Party Advisory exploit-db.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lkml.org/lkml/2018/2/20/669 third party advisory mailing list
https://www.exploit-db.com/exploits/44325/ exploit vdb entry third party advisory
http://www.securityfocus.com/bid/103088 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-7273?
CVE-2018-7273 has been scored as a medium severity vulnerability.
How to fix CVE-2018-7273?
To fix CVE-2018-7273, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-7273 being actively exploited in the wild?
It is possible that CVE-2018-7273 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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