Home/CVE/The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of
CVE

CVE-2018-7740

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of

The resv_map_release function in mm/hugetlb.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (BUG) via a crafted application that makes mmap system calls and has a large pgoff argument to the remap_file_pages system call.

MEDIUM · CVSS 5.5 EPSS 0.0009
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
▤

Affected Products & Versions

7
linux kernel<= 4.15.7
redhat virtualization hostall versions
canonical ubuntu linuxall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
⚠

Public Exploits & PoCs

1
pocbugzilla.kernel.org · show_bug.cgi?id=199037bugzilla.kernel.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.0 · cve@mitre.org
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 NVD07 Mar 2018 · 08:29 AM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

8
usnUSN-3910-1
usnUSN-3910-2
suse-csafSUSE-SU-2018:1173-2
rhsaRHSA-2018:3096Important
rhsaRHSA-2018:3083Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/103316Third Party AdvisoryVDB Entry
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.htmlMailing ListThird Party Advisory
https://usn.ubuntu.com/3910-1/Third Party Advisory
https://usn.ubuntu.com/3910-2/Third Party Advisory
https://www.debian.org/security/2018/dsa-4187Third Party Advisory
https://www.debian.org/security/2018/dsa-4188Third Party Advisory
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