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MitreCVE-2018-18445

HistoryOct 17, 2018 - 7:29 p.m.

CVE-2018-18445

2018-10-1719:29:00

CWE-125

mitre

web.nvd.nist.gov

245

cve-2018-18445

linux kernel

bpf verifier

out-of-bounds memory accesses

nvd

security vulnerability

CVSS2

7.2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

28.1%

JSON

In the Linux kernel 4.14.x, 4.15.x, 4.16.x, 4.17.x, and 4.18.x before 4.18.13, faulty computation of numeric bounds in the BPF verifier permits out-of-bounds memory accesses because adjust_scalar_min_max_vals in kernel/bpf/verifier.c mishandles 32-bit right shifts.

Affected configurations

Nvd

Node

linuxlinux_kernelRange4.14.9–4.14.75

linuxlinux_kernelRange4.15–4.18.13

Node

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch18.04lts

canonicalubuntu_linuxMatch18.10

Node

redhatenterprise_linux_desktopMatch7.0

redhatenterprise_linux_serverMatch7.0

redhatenterprise_linux_serverMatch7.6

redhatenterprise_linux_server_ausMatch7.6

redhatenterprise_linux_server_eusMatch7.6

redhatenterprise_linux_server_tusMatch7.6

redhatenterprise_linux_workstationMatch7.0

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.10cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
redhatenterprise_linux_desktop7.0cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
redhatenterprise_linux_server7.0cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
redhatenterprise_linux_server7.6cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*
redhatenterprise_linux_server_aus7.6cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
redhatenterprise_linux_server_eus7.6cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
canonical	ubuntu_linux	18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
canonical	ubuntu_linux	18.10	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
redhat	enterprise_linux_desktop	7.0	cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::*
redhat	enterprise_linux_server	7.0	cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::*
redhat	enterprise_linux_server	7.6	cpe:2.3:o:redhat:enterprise_linux_server:7.6:::::::*
redhat	enterprise_linux_server_aus	7.6	cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:::::::*
redhat	enterprise_linux_server_eus	7.6	cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:::::::*