VDB-301778 · CVE-2023-53008 · Nessus 238410

Linux Kernel up to 6.1.8 auth_key.response memory leak

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.1.8. This issue affects the function cifs_ses::auth_key.response. Such manipulation leads to memory leak. This vulnerability is listed as CVE-2023-53008. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.1.8. It has been rated as critical. Affected by this issue is the function cifs_ses::auth_key.response. The manipulation with an unknown input leads to a memory leak vulnerability. Using CWE to declare the problem leads to CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential memory leaks in session setup Make sure to free cifs_ses::auth_key.response before allocating it as we might end up leaking memory in reconnect or mounting.

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2023-53008 since 03/27/2025. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 238410 (EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1662)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.1.9 eliminates this vulnerability. Applying the patch 893d45394dbe4b5cbf3723c19e2ccc8b93a6ac9b/2fe58d977ee05da5bb89ef5dc4f5bf2dc15db46f 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 (238410) and CERT Bund (WID-SEC-2025-0649). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Google Container-Optimized OS
Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
SUSE openSUSE
Dell Avamar
Open Source Linux Kernel
SolarWinds Security Event Manager
Dell NetWorker
Dell Secure Connect Gateway

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

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

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 238410
Nessus Name: EulerOS 2.0 SP11 : kernel (EulerOS-SA-2025-1662)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.1.9
Patch: 893d45394dbe4b5cbf3723c19e2ccc8b93a6ac9b/2fe58d977ee05da5bb89ef5dc4f5bf2dc15db46f

Timelineinfo

03/27/2025 🔍
03/27/2025 +0 days 🔍
03/27/2025 +0 days 🔍
12/07/2025 +255 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53008 (🔍)
GCVE (CVE): GCVE-0-2023-53008
GCVE (VulDB): GCVE-100-301778
CERT Bund: WID-SEC-2025-0649 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 03/27/2025 18:56
Updated: 12/07/2025 06:47
Changes: 03/27/2025 18:56 (58), 04/15/2025 10:53 (11), 06/13/2025 10:26 (2), 08/24/2025 18:04 (7), 12/07/2025 06:47 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.