CVE-2021-47571

2024-05-2400:00:00

ubuntu.com

linux kernel

rtl8192e

use-after-free

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

6.8

Confidence

High

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The
free_rtllib() function frees the “dev” pointer so there is use after free
on the next line. Re-arrange things to avoid that.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux< anyUNKNOWN
ubuntu18.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws< anyUNKNOWN
ubuntu18.04noarchlinux-aws-5.4< anyUNKNOWN
ubuntu16.04noarchlinux-aws-hwe< anyUNKNOWN
ubuntu20.04noarchlinux-azure< anyUNKNOWN
ubuntu14.04noarchlinux-azure< anyUNKNOWN
ubuntu16.04noarchlinux-azure< anyUNKNOWN
ubuntu18.04noarchlinux-azure-4.15< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	linux	< any	UNKNOWN
ubuntu	20.04	noarch	linux	< any	UNKNOWN
ubuntu	18.04	noarch	linux-aws	< any	UNKNOWN
ubuntu	20.04	noarch	linux-aws	< 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
ubuntu	14.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	16.04	noarch	linux-azure	< any	UNKNOWN
ubuntu	18.04	noarch	linux-azure-4.15	< any	UNKNOWN