Linux Kernel up to 6.4.11 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 6.4.11. It has been rated as critical. This vulnerability affects unknown code. Performing a manipulation results in memory leak. This vulnerability was named CVE-2023-53350. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 6.4.11. This affects an unknown function. 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. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix slicing memory leak The temporary buffer storing slicing configuration data from user is only freed on error. This is a memory leak. Free the buffer unconditionally.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2023-53350 since 09/16/2025. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 265464 (Linux Distros Unpatched Vulnerability : CVE-2023-53350), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.4.12 eliminates this vulnerability. Applying the patch df45c3e46cdb41f486eecb4277fbcc4c1ffbf9be/2d956177b7c96e62fac762a3b7da4318cde27a73 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 (265464) and CERT Bund (WID-SEC-2025-2087). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

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

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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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: 265464
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53350

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.4.12
Patch: df45c3e46cdb41f486eecb4277fbcc4c1ffbf9be/2d956177b7c96e62fac762a3b7da4318cde27a73

Timelineinfo

09/16/2025 CVE reserved
09/17/2025 +1 days Advisory disclosed
09/17/2025 +0 days VulDB entry created
12/27/2025 +101 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53350 (🔒)
GCVE (CVE): GCVE-0-2023-53350
GCVE (VulDB): GCVE-100-324723
CERT Bund: WID-SEC-2025-2087 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 09/17/2025 18:07
Updated: 12/27/2025 04:13
Changes: 09/17/2025 18:07 (57), 09/23/2025 03:19 (2), 12/11/2025 17:06 (10), 12/27/2025 04:13 (7)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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