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CVE-2018-7273

Date: February 20, 2018

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.

Language: C

Severity Score

Related Resources (7)

https://www.exploit-db.com/exploits/44325/
http://www.securityfocus.com/bid/103088
https://access.redhat.com/security/cve/CVE-2018-7273
https://lkml.org/lkml/2018/2/20/669
https://nvd.nist.gov/vuln/detail/CVE-2018-7273
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-7273
https://www.mend.io/vulnerability-database/CVE-2018-7273

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

CVSS v3

Base Score:
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL

CVSS v2

Base Score:
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH
Additional information:

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