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CVE-2017-15127

19
FAUCET Score

CVE-2017-15127 is a local denial-of-service vulnerability in the Linux kernel, specifically affecting the hugetlb_mcopy_atomic_pte function in versions prior to 4.13, impacting various Linux distributions including Red Hat Enterprise Linux. Rated Medium with a CVSS score of 5.5, this flaw can be triggered by a local attacker due to a superfluous implicit page unlock, leading to system instability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.13CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 86th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

github_advisorypatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt-0:3.10.0-862.rt56.804.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-0:3.10.0-862.el7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: realtime-kernel

Vendor Advisories (1)

redhatCVE-2017-15127Low

kernel: Improper error handling of VM_SHARED hugetlbfs mapping in mm/hugetlb.c

Dec 8, 2017

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
PatchVendor Advisory
access.redhat.com / errata/RHSA-2018:0676
access.redhat.com / errata/RHSA-2018:1062
access.redhat.com / security/cve/CVE-2017-15127
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory
github.com / torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995
PatchThird Party Advisory
securityfocus.com / bid/102517