CVE-2017-18257
UnknownEPSS 0.39%
Last modified
CVE-2017-18257 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.11 |
| Debian | Debian Linux | 9.0 |
References
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
- https://www.debian.org/security/2018/dsa-4188Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2017-18257?
Severity scoring for CVE-2017-18257 is pending analysis. The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18257?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2017-18257?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST