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).
[
{
"product": "Linux kernel before 4.13",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "Linux kernel before 4.13"
}
]
}
]
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995
www.securityfocus.com/bid/102517
access.redhat.com/errata/RHSA-2018:0676
access.redhat.com/errata/RHSA-2018:1062
access.redhat.com/security/cve/CVE-2017-15127
bugzilla.redhat.com/show_bug.cgi?id=1525218
github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995