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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-7191 Detail

Description

In the tun subsystem in the Linux kernel before 4.13.14, dev_get_valid_name is not called before register_netdevice. This allows local users to cause a denial of service (NULL pointer dereference and panic) via an ioctl(TUNSETIFF) call with a dev name containing a / character. This is similar to CVE-2013-4343.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00071.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html CVE, MITRE
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html CVE, MITRE
http://www.securityfocus.com/bid/108380 CVE, MITRE
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1743792 CVE, MITRE Exploit  Third Party Advisory 
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1748846 CVE, MITRE Patch  Third Party Advisory 
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.14 CVE, MITRE Release Notes  Vendor Advisory 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0ad646c81b2182f7fa67ec0c8c825e0ee165696d CVE, MITRE Patch  Third Party Advisory  Vendor Advisory 
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5c25f65fd1e42685f7ccd80e0621829c105785d9 CVE, MITRE Patch  Vendor Advisory 
https://github.com/torvalds/linux/commit/0ad646c81b2182f7fa67ec0c8c825e0ee165696d CVE, MITRE Patch  Third Party Advisory 
https://github.com/torvalds/linux/commit/5c25f65fd1e42685f7ccd80e0621829c105785d9 CVE, MITRE Patch  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-476 NULL Pointer Dereference cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

8 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-7191
NVD Published Date:
05/17/2019
NVD Last Modified:
06/16/2026
Source:
MITRE