UBUNTU-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.
02 / AFFECTED SOFTWARE
Affected packages
14 explicit affected versions
54 explicit affected versions
76 explicit affected versions
35 explicit affected versions
5 explicit affected versions
26 explicit affected versions
15 explicit affected versions
49 explicit affected versions
46 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
1 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b86e33075ed1909d8002745b56ecf73b833db143
- https://github.com/torvalds/linux/commit/b86e33075ed1909d8002745b56ecf73b833db143
- https://ubuntu.com/security/CVE-2017-18257
- https://ubuntu.com/security/notices/USN-3696-1
- https://ubuntu.com/security/notices/USN-3696-2
- https://www.cve.org/CVERecord?id=CVE-2017-18257