CVE-2022-4095: Use After Free

Published Mar 22, 2023
·
Updated

A use-after-free flaw was found in Linux kernel before 5.19.2. This issue occurs in cmdhdlfilter in drivers/staging/rtl8712/rtl8712cmd.c, allowing an attacker to launch a local denial of service attack and gain escalation of privileges.

Affected Software

11 affected componentsFixes available
Linux Linux kernel>=2.6.37<4.9.328
Linux Linux kernel>=4.10<4.14.293
Linux Linux kernel>=4.15<4.19.258
Linux Linux kernel>=4.20<5.4.213
Linux Linux kernel>=5.5<5.10.142
Linux Linux kernel>=5.11<5.15.66
Linux Linux kernel>=5.16<5.19.8
Linux Linux kernel=6.0-rc1
Linux Linux kernel=6.0-rc2
Linux Linux kernel=6.0-rc3
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Mar 22, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:11 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·05:02 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-4095?

CVE-2022-4095 is categorized as a high-severity vulnerability due to its potential for local denial of service and privilege escalation.

2

How do I fix CVE-2022-4095?

To mitigate CVE-2022-4095, users should update their Linux kernel to a version greater than 5.19.2 or apply patches provided in recent security advisories.

3

What versions are affected by CVE-2022-4095?

CVE-2022-4095 affects Linux kernel versions before 5.19.2, including multiple previous versions ranging from 2.6.37 up to 5.19.1.

4

Can CVE-2022-4095 be exploited remotely?

CVE-2022-4095 cannot be exploited remotely, as it requires local access to the vulnerable system.

5

What are the implications of CVE-2022-4095?

The implications of CVE-2022-4095 include the potential for attackers to cause a denial of service and gain elevated privileges on affected systems.

Contact

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