Medium severity · published Jan 14, 2018
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
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 4.13 · source: NVD
EL
Enterprise Linux · Redhat
7.0 · source: NVD
EM
Enterprise Mrg · Redhat
2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15127
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-15127
Patch
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5af10dfd0afc559bb4b0f7e3e8227a1578333995
www.securityfocus.com
http://www.securityfocus.com/bid/102517
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:0676
access.redhat.com
https://access.redhat.com/errata/RHSA-2018:1062
Third Party Advisory
https://access.redhat.com/security/cve/CVE-2017-15127
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1525218
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