CVE-2018-18445

2018-10-1700:00:00

ubuntu.com

7.8 High

CVSS3

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

7.2 High

CVSS2

Access Vector

LOCAL

Access 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

0.001 Low

EPSS

Percentile

27.0%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< 4.15.0-43.46UNKNOWN
ubuntu18.10noarchlinux< 4.18.0-12.13UNKNOWN
ubuntu18.04noarchlinux-aws< 4.15.0-1031.33UNKNOWN
ubuntu18.10noarchlinux-aws< 4.18.0-1006.7UNKNOWN
ubuntu16.04noarchlinux-aws-hwe< 4.15.0-1031.33~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure< 4.15.0-1036.38UNKNOWN
ubuntu18.10noarchlinux-azure< 4.18.0-1006.6UNKNOWN
ubuntu14.04noarchlinux-azure< 4.15.0-1036.38~14.04.2UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1036.38~16.04.1UNKNOWN
ubuntu18.04noarchlinux-azure-edge< 4.15.0-1036.38UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< 4.15.0-43.46	UNKNOWN
ubuntu	18.10	noarch	linux	< 4.18.0-12.13	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< 4.15.0-1031.33	UNKNOWN
ubuntu	18.10	noarch	linux-aws	< 4.18.0-1006.7	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< 4.15.0-1031.33~16.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-azure	< 4.15.0-1036.38	UNKNOWN
ubuntu	18.10	noarch	linux-azure	< 4.18.0-1006.6	UNKNOWN
ubuntu	14.04	noarch	linux-azure	< 4.15.0-1036.38~14.04.2	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< 4.15.0-1036.38~16.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-azure-edge	< 4.15.0-1036.38	UNKNOWN