Linux Kernel up to 6.0.2 memory of_get_ddr_timings reference count

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

Summaryinfo

A vulnerability classified as critical has been found in Linux Kernel up to 6.0.2. This impacts the function of_get_ddr_timings of the component memory. This manipulation causes reference count. The identification of this vulnerability is CVE-2022-50249. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.0.2 and classified as critical. Affected by this vulnerability is the function of_get_ddr_timings of the component memory. The manipulation with an unknown input leads to a reference count vulnerability. The CWE definition for the vulnerability is CWE-911. The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: memory: of: Fix refcount leak bug in of_get_ddr_timings() We should add the of_node_put() when breaking out of for_each_child_of_node() as it will automatically increase and decrease the refcount.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2022-50249 since 09/15/2025. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 276910 (SUSE SLES12 Security Update : kernel (SUSE-SU-2025:4189-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.9.331, 4.14.296, 4.19.262, 5.4.220, 5.10.150, 5.15.75, 5.19.17 or 6.0.3 eliminates this vulnerability. Applying the patch a4d0bd4388e1a39df47e8aaa044ef6a7ee626e48/a4f7eb83852a65b6f8dea7dcc42b7c76d4d9b0a3/68c9c4e6495b825be3a8946df1a0148399555fe4/85a40bfb8e7a170abcf9dae2c0898a1983e48daa/daaec4b3fe2297b022c6b2d6bf48b6e5265a60b9/2680690f9ce4e6abbb4f559e97271c15b7eeda97/62ccab6e3376f8a22167c3b81468ae4f3e7d25f1/1c6cac6fa4d08aea161f83d38117d733b3c3a000/05215fb32010d4afb68fbdbb4d237df6e2d4567b 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 databases at Tenable (276910) and CERT Bund (WID-SEC-2025-2053). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • IBM QRadar SIEM
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • Dell Secure Connect Gateway
  • F5 F5OS

Productinfo

Type

Vendor

Name

Version

License

Website

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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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Reference count
CWE: CWE-911 / CWE-664
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: 276910
Nessus Name: SUSE SLES12 Security Update : kernel (SUSE-SU-2025:4189-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.9.331/4.14.296/4.19.262/5.4.220/5.10.150/5.15.75/5.19.17/6.0.3
Patch: a4d0bd4388e1a39df47e8aaa044ef6a7ee626e48/a4f7eb83852a65b6f8dea7dcc42b7c76d4d9b0a3/68c9c4e6495b825be3a8946df1a0148399555fe4/85a40bfb8e7a170abcf9dae2c0898a1983e48daa/daaec4b3fe2297b022c6b2d6bf48b6e5265a60b9/2680690f9ce4e6abbb4f559e97271c15b7eeda97/62ccab6e3376f8a22167c3b81468ae4f3e7d25f1/1c6cac6fa4d08aea161f83d38117d733b3c3a000/05215fb32010d4afb68fbdbb4d237df6e2d4567b

Timelineinfo

09/15/2025 Advisory disclosed
09/15/2025 +0 days CVE reserved
09/15/2025 +0 days VulDB entry created
01/10/2026 +117 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-50249 (🔒)
GCVE (CVE): GCVE-0-2022-50249
GCVE (VulDB): GCVE-100-323959
CERT Bund: WID-SEC-2025-2053 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 09/15/2025 16:44
Updated: 01/10/2026 09:03
Changes: 09/15/2025 16:44 (59), 09/16/2025 10:25 (7), 11/27/2025 03:38 (10), 11/27/2025 06:42 (2), 12/28/2025 05:50 (1), 01/10/2026 09:03 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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