CVE-2022-2978: Use After Free

Published Aug 24, 2022
·
Updated

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function securityinodealloc to fail with following call to function nilfsmdtdestroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Affected Software

10 affected componentsFixes available
Linux Linux kernel>=2.6.12<4.9.331
Linux Linux kernel>=4.10<4.14.296
Linux Linux kernel>=4.15<4.19.262
Linux Linux kernel>=4.20<5.4.218
Linux Linux kernel>=5.5<5.10.148
Linux Linux kernel>=5.11<5.15.73
Linux Linux kernel>=5.16<5.19.15
Linux Linux kernel>=6.0<6.0.1
Debian Debian Linux=10.0
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Aug 24, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Jan 12, 2024
Data Sourced
via Launchpad·12:08 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·04:46 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-2978?

CVE-2022-2978 is considered a high-severity vulnerability that could allow local users to crash the system or escalate privileges.

2

How do I fix CVE-2022-2978?

To fix CVE-2022-2978, upgrade to the patched versions of the Linux kernel, including 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.

3

Who is affected by CVE-2022-2978?

CVE-2022-2978 affects local users of Linux systems running vulnerable versions of the kernel, particularly those exploiting the NILFS file system.

4

What type of vulnerability is CVE-2022-2978?

CVE-2022-2978 is a use-after-free vulnerability in the Linux kernel that can be exploited to potentially escalate privileges.

5

When was CVE-2022-2978 disclosed?

CVE-2022-2978 was disclosed in August 2022.

Contact

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