Linux Kernel up to 6.5.2 devfreq_dev_release allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.5.2. The impacted element is the function devfreq_dev_release. Such manipulation leads to allocation of resources. This vulnerability is traded as CVE-2023-53518. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.5.2. It has been rated as critical. Affected by this issue is the function devfreq_dev_release. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix leak in devfreq_dev_release() srcu_init_notifier_head() allocates resources that need to be released with a srcu_cleanup_notifier_head() call. Reported by kmemleak.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2023-53518 since 10/01/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 269636 (Linux Distros Unpatched Vulnerability : CVE-2023-53518), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16 or 6.5.3 eliminates this vulnerability. Applying the patch 7462483446cb9986568ad7adae746ce5f18d2968/64e6e0dc2d578c0a9e31cb4edd719f0a3ed98f6d/29811f4b8255d4238cf326f3bb7129784766beab/ab192e5e5d3b48415909a8408acfd007a607bcc0/111bafa210ae546bee7644be730c42df9c35b66e/8918025feb2f5f7c73f2495c158f22997e25cb02/1640e9c72173911ad0fddb05012c01eafe082c4e/3354c401c68d70567d1ef25d12f4e22a7813a3c6/5693d077595de721f9ddbf9d37f40e5409707dfe 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 (269636) and CERT Bund (WID-SEC-2025-2187). Once again VulDB remains the best source for vulnerability data.

Affected

  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Linux Kernel
  • Dell Secure Connect Gateway

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Allocation of resources
CWE: CWE-770 / CWE-400 / 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: 269636
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53518

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.326/4.19.295/5.4.257/5.10.195/5.15.132/6.1.53/6.4.16/6.5.3
Patch: 7462483446cb9986568ad7adae746ce5f18d2968/64e6e0dc2d578c0a9e31cb4edd719f0a3ed98f6d/29811f4b8255d4238cf326f3bb7129784766beab/ab192e5e5d3b48415909a8408acfd007a607bcc0/111bafa210ae546bee7644be730c42df9c35b66e/8918025feb2f5f7c73f2495c158f22997e25cb02/1640e9c72173911ad0fddb05012c01eafe082c4e/3354c401c68d70567d1ef25d12f4e22a7813a3c6/5693d077595de721f9ddbf9d37f40e5409707dfe

Timelineinfo

10/01/2025 Advisory disclosed
10/01/2025 +0 days CVE reserved
10/01/2025 +0 days VulDB entry created
01/24/2026 +115 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53518 (🔒)
GCVE (CVE): GCVE-0-2023-53518
GCVE (VulDB): GCVE-100-326564
CERT Bund: WID-SEC-2025-2187 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 10/01/2025 14:57
Updated: 01/24/2026 10:32
Changes: 10/01/2025 14:57 (58), 10/12/2025 00:10 (2), 11/29/2025 03:40 (7), 01/24/2026 10:32 (10)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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