CVE-2017-18257
N/A
Published: April 4, 2018 at 05:00 PM UTC
Updated: June 17, 2026 at 01:12 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux
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Severity
N/A
Exploit prediction
EPSS 0.4%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Debian Linux· Debiandrupal
95%v < 4.11
Affected range stops below 4.11, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- 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/
- https://www.debian.org/security/2018/dsa-4188
References (5)
x_refsource_MISCPatch
Source: [email protected]
https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143Vendor Advisoryx_refsource_DEBIANThird Party Advisory
Source: [email protected]
https://www.debian.org/security/2018/dsa-4188Quick Info
StatusMODIFIED
CWE
CWE-190
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