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).
https://github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995
https://bugzilla.redhat.com/show_bug.cgi?id=1525218
https://access.redhat.com/security/cve/CVE-2017-15127
https://access.redhat.com/errata/RHSA-2018:1062
https://access.redhat.com/errata/RHSA-2018:0676
http://www.securityfocus.com/bid/102517
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995
Source: Mitre, NVD
Published: 2018-01-14
Updated: 2024-11-21
Base Score: 4.9
Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00042