CVE-2018-7740

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

References

http://www.securityfocus.com/bid/103316

https://access.redhat.com/errata/RHSA-2018:3083

https://access.redhat.com/errata/RHSA-2018:3096

https://bugzilla.kernel.org/show_bug.cgi?id=199037

https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html

https://usn.ubuntu.com/3910-1/

https://usn.ubuntu.com/3910-2/

https://www.debian.org/security/2018/dsa-4187

https://www.debian.org/security/2018/dsa-4188

Details

Source: MITRE

Published: 2018-03-07

Updated: 2019-03-18

Type: CWE-119

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (17 total)

IDNameProductFamilySeverity
124828EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1505)NessusHuawei Local Security Checks
critical
123697EulerOS Virtualization 2.5.4 : kernel (EulerOS-SA-2019-1229)NessusHuawei Local Security Checks
medium
122893Ubuntu 14.04 LTS : Linux kernel (Xenial HWE) vulnerabilities (USN-3910-2)NessusUbuntu Local Security Checks
medium
122892Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3910-1)NessusUbuntu Local Security Checks
medium
122699EulerOS 2.0 SP5 : kernel (EulerOS-SA-2019-1076)NessusHuawei Local Security Checks
high
119187Scientific Linux Security Update : kernel on SL7.x x86_64 (20181030)NessusScientific Linux Local Security Checks
high
118990CentOS 7 : kernel (CESA-2018:3083)NessusCentOS Local Security Checks
high
118770Oracle Linux 7 : kernel (ELSA-2018-3083)NessusOracle Linux Local Security Checks
high
118528RHEL 7 : kernel-rt (RHSA-2018:3096)NessusRed Hat Local Security Checks
high
118525RHEL 7 : kernel (RHSA-2018:3083)NessusRed Hat Local Security Checks
high
118252SUSE SLES12 Security Update : kernel (SUSE-SU-2018:1173-2)NessusSuSE Local Security Checks
high
109647SUSE SLES12 Security Update : kernel (SUSE-SU-2018:1173-1)NessusSuSE Local Security Checks
high
109531Debian DLA-1369-1 : linux security update (Spectre)NessusDebian Local Security Checks
critical
109518Debian DSA-4188-1 : linux - security update (Spectre)NessusDebian Local Security Checks
high
109517Debian DSA-4187-1 : linux - security update (Spectre)NessusDebian Local Security Checks
critical
109310SUSE SLED12 / SLES12 Security Update : kernel (SUSE-SU-2018:1048-1)NessusSuSE Local Security Checks
high
109103openSUSE Security Update : the Linux Kernel (openSUSE-2018-377)NessusSuSE Local Security Checks
medium