CVE-2018-7191
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedMay 17, 2019
First seenMay 17, 2019
How to fix
Update
- linux linux_kernel4.13.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.13.14 | 4.13.14 |
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