Vulnerability in Linux Kernel
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 implicit page unlock for VM_SHARED hugetlbfs mapping could trigger a local denial of service (BUG).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux — versions 7.0
- Red Hat Enterprise Mrg — versions 2.0
- Linux Kernel Before 4.13 — versions Linux kernel before 4.13
Weakness classification (CWE)
References
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- access.redhat.com/errata/RHSA-2018:1062 (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- access.redhat.com/errata/RHSA-2018:0676 (vendor-advisory)
- github.com/torvalds/linux/commit/5af10dfd0afc559bb4b0f7e3e8227a1578333995 (Patch, Third Party Advisory)
- access.redhat.com/security/cve/CVE-2017-15127 (Third Party Advisory)
- www.securityfocus.com/bid/102517 (vdb-entry)
Frequently asked questions
- What is CVE-2017-15127?
- CVE-2017-15127 is a medium-severity vulnerability in Linux Kernel, classified under CWE-460. CVSS score: 5.5/10. Published 2018-01-14.
- How severe is CVE-2017-15127?
- Medium severity. CVSS v3 base score is 5.5 out of 10.