CVE-2017-18257
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2017-18257
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-18257.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2017-18257
- Downstream
- Related
- Published
- 2018-04-04T17:29:01Z
- Modified
- 2025-08-09T19:01:26Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
The _getdatablock 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 FSIOC_FIEMAP ioctl.
- References
-
- https://www.debian.org/security/2018/dsa-4188
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143
- https://usn.ubuntu.com/3696-1/
- https://usn.ubuntu.com/3696-2/