CVE-2021-46926

2024-02-2700:00:00

ubuntu.com

linux kernel

vulnerability

soundwire controller

alsa

hardening

detection

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

6.3

Confidence

High

EPSS

Percentile

9.0%

JSON

In the Linux kernel, the following vulnerability has been resolved: ALSA:
hda: intel-sdw-acpi: harden detection of controller The existing code
currently sets a pointer to an ACPI handle before checking that it’s
actually a SoundWire controller. This can lead to issues where the graph
walk continues and eventually fails, but the pointer was set already. This
patch changes the logic so that the information provided to the caller is
set when a controller is found.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-azure< anyUNKNOWN
ubuntu20.04noarchlinux-bluefield< anyUNKNOWN
ubuntu20.04noarchlinux-gcp< anyUNKNOWN
ubuntu20.04noarchlinux-gkeop< anyUNKNOWN
ubuntu20.04noarchlinux-ibm< anyUNKNOWN
ubuntu20.04noarchlinux-iot< anyUNKNOWN
ubuntu20.04noarchlinux-kvm< anyUNKNOWN
ubuntu20.04noarchlinux-oracle< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	20.04	noarch	linux-bluefield	< any	UNKNOWN
ubuntu	20.04	noarch	linux-gcp	< any	UNKNOWN
ubuntu	20.04	noarch	linux-gkeop	< any	UNKNOWN
ubuntu	20.04	noarch	linux-ibm	< any	UNKNOWN
ubuntu	20.04	noarch	linux-iot	< any	UNKNOWN
ubuntu	20.04	noarch	linux-kvm	< any	UNKNOWN
ubuntu	20.04	noarch	linux-oracle	< any	UNKNOWN