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
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
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.
Author | Note |
---|---|
sbeattie | 045c7a3f tried to catch issues like this, but missed this case. ff8c0c53c475 and 045c7a3f may also be needed for older releases |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 16.04 | noarch | linux | < 4.4.0-143.169 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1039.42 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1077.87 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure-edge | < 4.15.0-1013.13~16.04.2 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-gcp | < 4.15.0-1014.14~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe | < 4.15.0-24.26~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-hwe-edge | < 4.15.0-24.26~16.04.1 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-kvm | < 4.4.0-1041.47 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-143.169~14.04.2 | UNKNOWN |
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
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
EPSS
Percentile
5.1%