CVE-2022-48672

2024-05-0300:00:00

ubuntu.com

linux kernel

vulnerability

cve-2022-48672

off-by-one error fix

unflatten_dt_nodes

linux verification center

svace static analysis

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

7.5

Confidence

High

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved: of:
fdt: fix off-by-one error in unflatten_dt_nodes() Commit 78c44d910d3e
(“drivers/of: Fix depth when unflattening devicetree”) forgot to fix up the
depth check in the loop body in unflatten_dt_nodes() which makes it
possible to overflow the nps[] buffer… Found by Linux Verification Center
(linuxtesting.org) with the SVACE static analysis tool.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux< anyUNKNOWN
ubuntu22.04noarchlinux< anyUNKNOWN
ubuntu18.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws< anyUNKNOWN
ubuntu22.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws-5.15< anyUNKNOWN
ubuntu18.04noarchlinux-aws-5.4< anyUNKNOWN
ubuntu16.04noarchlinux-aws-hwe< anyUNKNOWN
ubuntu20.04noarchlinux-azure< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux	< any	UNKNOWN
ubuntu	22.04	noarch	linux	< any	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< any	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< any	UNKNOWN
ubuntu	16.04	noarch	linux-aws-hwe	< any	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< any	UNKNOWN