VulnerabilityModified
CVE-2017-18257
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.
MEDIUM 5.5EPSS 0.39%
Does this matter?
Lower severity and a low EPSS score (0.39%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.39% probability · 32th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- linux/linux kernel · debian/debian linux
- Source
- cve@mitre.org
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143Patch
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143Patch
- https://usn.ubuntu.com/3696-1/
- https://usn.ubuntu.com/3696-2/
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143Patch
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143Patch
- https://usn.ubuntu.com/3696-1/
- https://usn.ubuntu.com/3696-2/
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.