CVE-2017-15127

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).

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory kernel.org
Affected: n/a Linux kernel before 4.13
Published at:
Updated at:

References

Link Tags
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995 patch vendor advisory
https://access.redhat.com/errata/RHSA-2018:1062 vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1525218 issue tracking third party advisory
https://access.redhat.com/errata/RHSA-2018:0676 vendor advisory
https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995 third party advisory patch
https://access.redhat.com/security/cve/CVE-2017-15127 third party advisory
http://www.securityfocus.com/bid/102517 vdb entry

Frequently Asked Questions

What is the severity of CVE-2017-15127?
CVE-2017-15127 has been scored as a medium severity vulnerability.
How to fix CVE-2017-15127?
To fix CVE-2017-15127, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-15127 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-15127 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-15127?
CVE-2017-15127 affects n/a Linux kernel before 4.13.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.