CVEvulnerability
CVE-2017-18257
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-04-04
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-190
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.
Affected configurations
• linux linux kernel (< 4.11)
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143 Patch
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143 Patch
- https://usn.ubuntu.com/3696-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3696-2/ usn.ubuntu.com
- https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143 Patch
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143 Patch
- https://usn.ubuntu.com/3696-1/ usn.ubuntu.com
- https://usn.ubuntu.com/3696-2/ usn.ubuntu.com
- https://www.debian.org/security/2018/dsa-4188 Third Party Advisory