CVE-2017-18257
Medium
Description
The __get_data_block function in fs/f2fs/data.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow and loop) via crafted use of the open and fallocate system calls with an FS_IOC_FIEMAP ioctl.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedApr 4, 2018
First seenApr 4, 2018
How to fix
Update
- linux linux_kernel4.11 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.11 | 4.11 |
| debian debian_linux | 9.0 | — |
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