CVE & CISA-KEV Catalog

CVE-2021-46932

MEDIUM
5.5
CVSS v3
NVD

Description

In the Linux kernel, the following vulnerability has been resolved: Input: appletouch - initialize work before device registration Syzbot has reported warning in __flush_work(). This warning is caused by work->func == NULL, which means missing work initialization. This may happen, since input_dev->close() calls cancel_work_sync(&dev->work), but dev->work initalization happens _after_ input_register_device() call. So this patch moves dev->work initialization before registering input device

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.92-1CVE-2021-46932
Fixed in:5.15.15-1CVE-2021-46932
Fixed in:5.15.15-1CVE-2021-46932
Fixed in:5.15.15-1CVE-2021-46932
linuxUbuntu
Fixed in:4.4.0-257.291USN-6938-1
linux-awsUbuntu
Fixed in:4.4.0-1134.140USN-6938-1
Fixed in:4.4.0-1172.187USN-6938-1
linux-image-4.4.0-1134-awsUbuntu
Fixed in:4.4.0-1134.140USN-6938-1
linux-image-4.4.0-1135-kvmUbuntu
Fixed in:4.4.0-1135.145USN-6938-1
linux-image-4.4.0-1172-awsUbuntu
Fixed in:4.4.0-1172.187USN-6938-1
linux-image-4.4.0-257-genericUbuntu
Fixed in:4.4.0-257.291~14.04.1USN-6938-1
Fixed in:4.4.0-257.291USN-6938-1
linux-image-4.4.0-257-lowlatencyUbuntu
Fixed in:4.4.0-257.291~14.04.1USN-6938-1
Fixed in:4.4.0-257.291USN-6938-1
linux-image-awsUbuntu
Fixed in:4.4.0.1134.131USN-6938-1
Fixed in:4.4.0.1172.176USN-6938-1
linux-image-genericUbuntu
Fixed in:4.4.0.257.263USN-6938-1
linux-image-generic-lts-xenialUbuntu
Fixed in:4.4.0.257.291~14.04.1USN-6938-1
Fixed in:4.4.0.257.263USN-6938-1
linux-image-kvmUbuntu
Fixed in:4.4.0.1135.132USN-6938-1
linux-image-lowlatencyUbuntu
Fixed in:4.4.0.257.263USN-6938-1
linux-image-lowlatency-lts-xenialUbuntu
Fixed in:4.4.0.257.291~14.04.1USN-6938-1
Fixed in:4.4.0.257.263USN-6938-1
linux-image-virtualUbuntu
Fixed in:4.4.0.257.263USN-6938-1
linux-image-virtual-lts-xenialUbuntu
Fixed in:4.4.0.257.291~14.04.1USN-6938-1
Fixed in:4.4.0.257.263USN-6938-1
linux-kvmUbuntu
Fixed in:4.4.0-1135.145USN-6938-1
linux-lts-xenialUbuntu
Fixed in:4.4.0-257.291~14.04.1USN-6938-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.23%probability of exploitation in 30 days
14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-0847High7.888%KEVFix
CVE-2022-22719High7.570%-Fix
CVE-2020-28019High7.561%-Fix
CVE-2022-46164Critical9.449%-Fix
CVE-2022-37128Critical9.821%--
CVE-2019-14271Critical9.819%-Fix
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.