CVE-2014-5045

Medium

Description

The mountpoint_last function in fs/namei.c in the Linux kernel before 3.15.8 does not properly maintain a certain reference count during attempts to use the umount system call in conjunction with a symlink, which allows local users to cause a denial of service (memory consumption or use-after-free) or possibly have unspecified other impact via the umount program.

SeverityMedium
CVSS6.2
Exploit probability—
ProductLinux Kernel
PublishedAug 1, 2014
First seenAug 1, 2014

How to fix

Update
  • linux linux_kernel3.15.8 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 3.15.83.15.8
redhat enterprise_linux_eus6.5—
redhat enterprise_linux_server_aus6.5—
redhat enterprise_linux_server_tus6.5—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.