CVE-2022-49716: irqchip/gic-v3: Fix error handling in gic_populate_ppi_partitions

Published Feb 26, 2025
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

irqchip/gic-v3: Fix error handling in gicpopulateppipartitions

ofgetchildbyname() returns a node pointer with refcount incremented, we should use ofnodeput() on it when not need anymore. When kcalloc fails, it missing ofnodeput() and results in refcount leak. Fix this by goto outputnode label.

Affected Software

7 affected components
Linux Linux kernel
Linux Linux kernel>=5.4<5.4.200
Linux Linux kernel>=5.5<5.10.124
Linux Linux kernel>=5.11<5.15.49
Linux Linux kernel>=5.16<5.18.6
Linux Linux kernel=5.19-rc1
Linux Linux kernel=5.19-rc2

Event History

Feb 26, 2025
CVE Published
via MITRE·02:24 AM
Data Sourced
via MITRE·02:24 AM
Description
Data Sourced
via NVD·07:01 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-49716?

The severity of CVE-2022-49716 is classified as moderate.

2

How do I fix CVE-2022-49716?

To fix CVE-2022-49716, update the Linux kernel to the latest version where the vulnerability has been patched.

3

What systems are affected by CVE-2022-49716?

CVE-2022-49716 affects various versions of the Linux kernel.

4

What type of vulnerability is CVE-2022-49716?

CVE-2022-49716 is an error handling vulnerability within the irqchip/gic-v3 of the Linux kernel.

5

Can CVE-2022-49716 be exploited remotely?

CVE-2022-49716 requires local access to the system to be exploited.

Contact

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