5.5
MEDIUM
CVE-2018-7740
Linux Kernel DoS (BUG) in HugeTLB Resv Map Release
Description

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.

INFO

Published Date :

March 7, 2018, 8:29 a.m.

Last Modified :

March 18, 2019, 7:31 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Public PoC/Exploit Available at Github

CVE-2018-7740 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-7740 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Redhat enterprise_linux_desktop
2 Redhat enterprise_linux_server
3 Redhat enterprise_linux_workstation
4 Redhat virtualization_host
1 Linux linux_kernel
1 Canonical ubuntu_linux
1 Debian debian_linux
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-7740.

URL Resource
http://www.securityfocus.com/bid/103316 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
https://bugzilla.kernel.org/show_bug.cgi?id=199037 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List Third 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-4187 Third Party Advisory
https://www.debian.org/security/2018/dsa-4188 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Python

Updated: 1 year, 5 months ago
7 stars 0 fork 0 watcher
Born at : Aug. 5, 2017, 12:51 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-7740 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7740 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 18, 2019

    Action Type Old Value New Value
    Changed Reference Type https://usn.ubuntu.com/3910-1/ No Types Assigned https://usn.ubuntu.com/3910-1/ Third Party Advisory
    Changed Reference Type https://usn.ubuntu.com/3910-2/ No Types Assigned https://usn.ubuntu.com/3910-2/ Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Mar. 17, 2019

    Action Type Old Value New Value
    Added Reference https://usn.ubuntu.com/3910-2/ [No Types Assigned]
    Added Reference https://usn.ubuntu.com/3910-1/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Mar. 04, 2019

    Action Type Old Value New Value
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3096 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3096 Third Party Advisory
    Changed Reference Type https://access.redhat.com/errata/RHSA-2018:3083 No Types Assigned https://access.redhat.com/errata/RHSA-2018:3083 Third Party Advisory
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html No Types Assigned https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html Mailing List, Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4187 No Types Assigned https://www.debian.org/security/2018/dsa-4187 Third Party Advisory
    Changed Reference Type https://www.debian.org/security/2018/dsa-4188 No Types Assigned https://www.debian.org/security/2018/dsa-4188 Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 31, 2018

    Action Type Old Value New Value
    Added Reference https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned]
  • CVE Modified by [email protected]

    May. 04, 2018

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned]
  • CVE Modified by [email protected]

    May. 03, 2018

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2018/dsa-4188 [No Types Assigned]
    Added Reference https://www.debian.org/security/2018/dsa-4187 [No Types Assigned]
  • Initial Analysis by [email protected]

    Mar. 27, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type http://www.securityfocus.com/bid/103316 No Types Assigned http://www.securityfocus.com/bid/103316 Third Party Advisory, VDB Entry
    Changed Reference Type https://bugzilla.kernel.org/show_bug.cgi?id=199037 No Types Assigned https://bugzilla.kernel.org/show_bug.cgi?id=199037 Exploit, Issue Tracking, Third Party Advisory
    Added CWE CWE-119
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.7
  • CVE Modified by [email protected]

    Mar. 09, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/103316 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
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