Home/CVE/A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous
CVE

CVE-2017-15127

A flaw was found in the hugetlb_mcopy_atomic_pte function in mm/hugetlb.c in the Linux kernel before 4.13. A superfluous

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).

MEDIUM · CVSS 5.5 EPSS 0.00043
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-460Improper Cleanup on Thrown Exception
▤

Affected Products & Versions

3
linux kernel< 4.13
redhat enterprise linuxall versions
redhat enterprise mrgall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Jan 2018 · 06:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

2
rhsaRHSA-2018:1062Low
rhsaRHSA-2018:0676Low
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995PatchVendor Advisory
http://www.securityfocus.com/bid/102517
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/5af10dfd0afc559bb4b0f7e3e8227a1578333995PatchThird Party Advisory
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