CVE-2018-7740
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%
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.
Affected configurations
References
www.securityfocus.com/bid/103316
access.redhat.com/errata/RHSA-2018:3083
access.redhat.com/errata/RHSA-2018:3096
bugzilla.kernel.org/show_bug.cgi?id=199037
lists.debian.org/debian-lts-announce/2018/05/msg00000.html
usn.ubuntu.com/3910-1/
usn.ubuntu.com/3910-2/
www.debian.org/security/2018/dsa-4187
www.debian.org/security/2018/dsa-4188
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.6 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
5.1%