CVE-2022-45886

2022-11-2500:00:00

ubuntu.com

linux kernel

dvb_net.c

use-after-free

race condition

vulnerability

dvb device

7 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

JSON

An issue was discovered in the Linux kernel through 6.0.9.
drivers/media/dvb-core/dvb_net.c has a .disconnect versus dvb_device_open
race condition that leads to a use-after-free.

Bugs

Notes

Author	Note
	Priority reason: Exploiting this vulnerability requires disconnecting a DVB device, which is why this has been prioritized as low.

OSVersionArchitecturePackageVersionFilename
ubuntu20.04noarchlinux< 5.4.0-162.179UNKNOWN
ubuntu22.04noarchlinux< 5.15.0-83.92UNKNOWN
ubuntu23.04noarchlinux< 6.2.0-34.34UNKNOWN
ubuntu20.04noarchlinux-aws< 5.4.0-1109.118UNKNOWN
ubuntu22.04noarchlinux-aws< 5.15.0-1044.49UNKNOWN
ubuntu23.04noarchlinux-aws< 6.2.0-1013.13UNKNOWN
ubuntu20.04noarchlinux-aws-5.15< 5.15.0-1044.49~20.04.1UNKNOWN
ubuntu18.04noarchlinux-aws-5.4< anyUNKNOWN
ubuntu22.04noarchlinux-aws-6.2< 6.2.0-1013.13~22.04.1UNKNOWN
ubuntu20.04noarchlinux-azure< 5.4.0-1115.122UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	20.04	noarch	linux	< 5.4.0-162.179	UNKNOWN
ubuntu	22.04	noarch	linux	< 5.15.0-83.92	UNKNOWN
ubuntu	23.04	noarch	linux	< 6.2.0-34.34	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 5.4.0-1109.118	UNKNOWN
ubuntu	22.04	noarch	linux-aws	< 5.15.0-1044.49	UNKNOWN
ubuntu	23.04	noarch	linux-aws	< 6.2.0-1013.13	UNKNOWN
ubuntu	20.04	noarch	linux-aws-5.15	< 5.15.0-1044.49~20.04.1	UNKNOWN
ubuntu	18.04	noarch	linux-aws-5.4	< any	UNKNOWN
ubuntu	22.04	noarch	linux-aws-6.2	< 6.2.0-1013.13~22.04.1	UNKNOWN
ubuntu	20.04	noarch	linux-azure	< 5.4.0-1115.122	UNKNOWN