Vulnerability Description
A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.13 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Mrg | 2.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dPatchVendor Advisory
- http://www.securityfocus.com/bid/102517
- https://access.redhat.com/errata/RHSA-2018:0676
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/security/cve/CVE-2017-15127Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1525218Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a157833399PatchThird Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dPatchVendor Advisory
- http://www.securityfocus.com/bid/102517
- https://access.redhat.com/errata/RHSA-2018:0676
- https://access.redhat.com/errata/RHSA-2018:1062
- https://access.redhat.com/security/cve/CVE-2017-15127Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1525218Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a157833399PatchThird Party Advisory
FAQ
What is CVE-2017-15127?
CVE-2017-15127 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local deni...
How severe is CVE-2017-15127?
CVE-2017-15127 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-15127?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Redhat Enterprise Mrg.