Vulnerability Description
The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging mishandling of invalid variable stack read operations.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.14, < 4.14.9 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea25f9Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/12/21/2Mailing ListThird Party Advisory
- https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c46PatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea25f9Vendor Advisory
- http://www.openwall.com/lists/oss-security/2017/12/21/2Mailing ListThird Party Advisory
- https://github.com/torvalds/linux/commit/ea25f914dc164c8d56b36147ecc86bc65f83c46PatchThird Party Advisory
FAQ
What is CVE-2017-17857?
CVE-2017-17857 is a vulnerability with a CVSS score of 7.8 (HIGH). The check_stack_boundary function in kernel/bpf/verifier.c in the Linux kernel through 4.14.8 allows local users to cause a denial of service (memory corruption) or possibly have unspecified other imp...
How severe is CVE-2017-17857?
CVE-2017-17857 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-17857?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.