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—
Product
Linux Kernel
PublishedAug 1, 2014
First seenAug 1, 2014
How to fix
Update
- linux linux_kernel3.15.8 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 3.15.8 | 3.15.8 |
| redhat enterprise_linux_eus | 6.5 | — |
| redhat enterprise_linux_server_aus | 6.5 | — |
| redhat enterprise_linux_server_tus | 6.5 | — |
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