Linux Kernel up to 5.19.1 ARM omapdss_init_fbdev reference count

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.19.1 and classified as critical. This vulnerability affects the function omapdss_init_fbdev of the component ARM. Such manipulation leads to reference count. This vulnerability is traded as CVE-2022-50203. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 5.19.1. Affected by this issue is the function omapdss_init_fbdev of the component ARM. The manipulation with an unknown input leads to a reference count vulnerability. Using CWE to declare the problem leads to CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ARM: OMAP2+: display: Fix refcount leak bug In omapdss_init_fbdev(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2022-50203 since 06/18/2025. There are known technical details, but no exploit is available.

Upgrading to version 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18 or 5.19.2 eliminates this vulnerability. Applying the patch bdbdf69d5b78c5712c60c0004fa6aed12da36e26/0b4f96b47ff8dc2fa35d03c4116927248796d9af/3e505298a75f0bbdc96e923e76e5d45d6c8f64a7/88d556029a78999b098d26a330bb6a7de166f426/a89a865dc9f0600fd146224e314775b9efc9d845/496988a19d5c36fabf97c847db39167e42393c74/2629d171f3d6451724549d8d10d14ac6da37a7be/50b87a32a79bca6e275918a711fb8cc55e16d739 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1350). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

• Debian Linux
• Amazon Linux 2
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• Open Source Linux Kernel
• RESF Rocky Linux
• Dell Avamar
• Dell NetWorker
• Dell Secure Connect Gateway
• IBM QRadar SIEM

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.290
• 4.19.255
• 5.4.210
• 5.10.136
• 5.15.0
• 5.15.1
• 5.15.2
• 5.15.3
• 5.15.4
• 5.15.5
• 5.15.6
• 5.15.7
• 5.15.8
• 5.15.9
• 5.15.10
• 5.15.11
• 5.15.12
• 5.15.13
• 5.15.14
• 5.15.15
• 5.15.16
• 5.15.17
• 5.15.18
• 5.15.19
• 5.15.20
• 5.15.21
• 5.15.22
• 5.15.23
• 5.15.24
• 5.15.25
• 5.15.26
• 5.15.27
• 5.15.28
• 5.15.29
• 5.15.30
• 5.15.31
• 5.15.32
• 5.15.33
• 5.15.34
• 5.15.35
• 5.15.36
• 5.15.37
• 5.15.38
• 5.15.39
• 5.15.40
• 5.15.41
• 5.15.42
• 5.15.43
• 5.15.44
• 5.15.45
• 5.15.46
• 5.15.47
• 5.15.48
• 5.15.49
• 5.15.50
• 5.15.51
• 5.15.52
• 5.15.53
• 5.15.54
• 5.15.55
• 5.15.56
• 5.15.57
• 5.15.58
• 5.15.59
• 5.15.60
• 5.18.0
• 5.18.1
• 5.18.2
• 5.18.3
• 5.18.4
• 5.18.5
• 5.18.6
• 5.18.7
• 5.18.8
• 5.18.9
• 5.18.10
• 5.18.11
• 5.18.12
• 5.18.13
• 5.18.14
• 5.18.15
• 5.18.16
• 5.18.17
• 5.19.0
• 5.19.1

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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