Linux Kernel up to 5.17.1 of_find_device_by_node memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.17.1 and classified as critical. This impacts the function of_find_device_by_node. The manipulation results in memory leak. This vulnerability is cataloged as CVE-2022-49216. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.17.1. Affected is the function of_find_device_by_node. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2022-49216 since 02/26/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240793 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.110, 5.15.33, 5.16.19 or 5.17.2 eliminates this vulnerability. Applying the patch 0e2f4e434e71dffd1085c3dccd676514bd71d316/5e8fdb6392d945d33fef959eab73f8c34bc0a63b/2d6ae8b747fe55f54de4a4441d636974aa53f56a/a725070701883fe62266ee6d2f31d67e6cdd31df/1e06710c43a090f14bb67714265a01cd1d7a37c5/852c1f5f3119a38ee68e319bab10277fc1ab06b7/cd78b74031cbc94133965f1017deb822657fc1a6/f3c99c686e098300c246e5e8a1474133e3dacb05/221e3638feb8bc42143833c9a704fa89b6c366bb 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 Tenable (240793). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240793
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:01983-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.9.311/4.14.276/4.19.238/5.4.189/5.10.110/5.15.33/5.16.19/5.17.2
Patch: 0e2f4e434e71dffd1085c3dccd676514bd71d316/5e8fdb6392d945d33fef959eab73f8c34bc0a63b/2d6ae8b747fe55f54de4a4441d636974aa53f56a/a725070701883fe62266ee6d2f31d67e6cdd31df/1e06710c43a090f14bb67714265a01cd1d7a37c5/852c1f5f3119a38ee68e319bab10277fc1ab06b7/cd78b74031cbc94133965f1017deb822657fc1a6/f3c99c686e098300c246e5e8a1474133e3dacb05/221e3638feb8bc42143833c9a704fa89b6c366bb

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
06/28/2025 +122 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49216 (🔍)
GCVE (CVE): GCVE-0-2022-49216
GCVE (VulDB): GCVE-100-297504

Entryinfo

Created: 02/26/2025 11:59
Updated: 06/28/2025 02:29
Changes: 02/26/2025 11:59 (58), 03/19/2025 05:27 (11), 06/28/2025 02:29 (2)
Complete: 🔍
Cache ID: 216::103

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