Linux Kernel up to 6.4.10 device_add memory leak

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 6.4.10. The affected element is the function device_add. The manipulation results in memory leak. This vulnerability is cataloged as CVE-2023-53436. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.4.10. It has been classified as critical. Affected is the function device_add. 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: scsi: snic: Fix possible memory leak if device_add() fails If device_add() returns error, the name allocated by dev_set_name() needs be freed. As the comment of device_add() says, put_device() should be used to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanp().

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2023-53436 since 09/17/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 265915 (Linux Distros Unpatched Vulnerability : CVE-2023-53436), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.323, 4.19.292, 5.4.254, 5.10.191, 5.15.127, 6.1.46 or 6.4.11 eliminates this vulnerability. Applying the patch 789275f7c0544374d40bc8d9c81f96751a41df45/f830968d464f55e11bc9260a132fc77daa266aa3/cea09922f5f75652d55b481ee34011fc7f19868b/58889d5ad74cbc1c9595db74e13522b58b69b0ec/461f8ac666fa232afee5ed6420099913ec4e4ba2/7723a5d5d187626c4c640842e522cf4e9e39492e/ed0acb1ee2e9322b96611635a9ca9303d15ac76c/41320b18a0e0dfb236dba4edb9be12dba1878156 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 (265915) and CERT Bund (WID-SEC-2025-2092). Once again VulDB remains the best source for vulnerability data.

Affected

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

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
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 265915
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53436

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.323/4.19.292/5.4.254/5.10.191/5.15.127/6.1.46/6.4.11
Patch: 789275f7c0544374d40bc8d9c81f96751a41df45/f830968d464f55e11bc9260a132fc77daa266aa3/cea09922f5f75652d55b481ee34011fc7f19868b/58889d5ad74cbc1c9595db74e13522b58b69b0ec/461f8ac666fa232afee5ed6420099913ec4e4ba2/7723a5d5d187626c4c640842e522cf4e9e39492e/ed0acb1ee2e9322b96611635a9ca9303d15ac76c/41320b18a0e0dfb236dba4edb9be12dba1878156

Timelineinfo

09/17/2025 CVE reserved
09/18/2025 +1 days Advisory disclosed
09/18/2025 +0 days VulDB entry created
12/12/2025 +85 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53436 (🔒)
GCVE (CVE): GCVE-0-2023-53436
GCVE (VulDB): GCVE-100-324924
CERT Bund: WID-SEC-2025-2092 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 09/18/2025 19:22
Updated: 12/12/2025 01:00
Changes: 09/18/2025 19:22 (58), 09/20/2025 20:01 (7), 09/26/2025 05:59 (2), 11/29/2025 19:33 (1), 12/12/2025 01:00 (10)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to know what is going to be exploited?

We predict KEV entries!