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Ubuntu.comUB:CVE-2021-47522

HistoryMay 24, 2024 - 12:00 a.m.

CVE-2021-47522

2024-05-2400:00:00

ubuntu.com

linux kernel

hid

vulnerability

resolved

uhid

5.5 Medium

CVSS3

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

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

In the Linux kernel, the following vulnerability has been resolved: HID:
bigbenff: prevent null pointer dereference When emulating the device
through uhid, there is a chance we don’t have output reports and so
report_field is null.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlinux< anyUNKNOWN
ubuntu20.04noarchlinux< anyUNKNOWN
ubuntu22.04noarchlinux< anyUNKNOWN
ubuntu23.10noarchlinux< anyUNKNOWN
ubuntu24.04noarchlinux< anyUNKNOWN
ubuntu14.04noarchlinux< anyUNKNOWN
ubuntu16.04noarchlinux< anyUNKNOWN
ubuntu18.04noarchlinux-aws< anyUNKNOWN
ubuntu20.04noarchlinux-aws< anyUNKNOWN
ubuntu22.04noarchlinux-aws< 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	23.10	noarch	linux	< any	UNKNOWN
ubuntu	24.04	noarch	linux	< any	UNKNOWN
ubuntu	14.04	noarch	linux	< any	UNKNOWN
ubuntu	16.04	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

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References

git.kernel.org/linus/918aa1ef104d286d16b9e7ef139a463ac7a296f0 (5.16-rc5)

git.kernel.org/stable/c/58f15f5ae7786c824868f3a7e093859b74669ce7

git.kernel.org/stable/c/6272b17001e6fdcf7b4a16206287010a1523fa6e

git.kernel.org/stable/c/8e0ceff632f48175ec7fb4706129c55ca8a7c7bd

git.kernel.org/stable/c/918aa1ef104d286d16b9e7ef139a463ac7a296f0

launchpad.net/bugs/cve/CVE-2021-47522

nvd.nist.gov/vuln/detail/CVE-2021-47522

security-tracker.debian.org/tracker/CVE-2021-47522

www.cve.org/CVERecord?id=CVE-2021-47522

5.5 Medium

CVSS3

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

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

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