VULNERABILITY INTELLIGENCE

CVE-2017-18257

CVSS score5.5 MEDIUM
EPSS probability0.38%
CISA KEVNot currently listed
Published2018-04-04
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound

Primary references