Linux Kernel up to 6.4.3 max_corr_read_errors buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.4.3. The affected element is the function max_corr_read_errors. The manipulation results in buffer overflow. This vulnerability was named CVE-2023-53313. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.4.3. It has been classified as critical. Affected is the function max_corr_read_errors. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix wrong setting of max_corr_read_errors There is no input check when echo md/max_read_errors and overflow might occur. Add check of input number.

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2023-53313 since 09/16/2025. The exploitability is told to be easy. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/27/2025).

The vulnerability scanner Nessus provides a plugin with the ID 265302 (Linux Distros Unpatched Vulnerability : CVE-2023-53313), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.322, 4.19.291, 5.4.251, 5.10.188, 5.15.121, 6.1.39, 6.3.13 or 6.4.4 eliminates this vulnerability. Applying the patch 74050a3fdd4aecfd2cbf74d3c145812ab2744375/31c805a44b7569ca1017a4714385182d98bba212/b1d8f38310bce3282374983b229d94edbaf1e570/3c76920e547d4b931bed758bad83fd658dd88b4e/05d10428e8dffed0bac2502f34151729fc189cd3/aef6e98eb772594edd4399625e4e1bbe45971fa1/e83cb411aa1c6c9617db9329897f4506ba9e9b9d/f8b20a405428803bd9881881d8242c9d72c6b2b2 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 (265302) and CERT Bund (WID-SEC-2025-2077). VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: Buffer overflow
CWE: CWE-120 / CWE-119
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: 265302
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53313

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.322/4.19.291/5.4.251/5.10.188/5.15.121/6.1.39/6.3.13/6.4.4
Patch: 74050a3fdd4aecfd2cbf74d3c145812ab2744375/31c805a44b7569ca1017a4714385182d98bba212/b1d8f38310bce3282374983b229d94edbaf1e570/3c76920e547d4b931bed758bad83fd658dd88b4e/05d10428e8dffed0bac2502f34151729fc189cd3/aef6e98eb772594edd4399625e4e1bbe45971fa1/e83cb411aa1c6c9617db9329897f4506ba9e9b9d/f8b20a405428803bd9881881d8242c9d72c6b2b2

Timelineinfo

09/16/2025 Advisory disclosed
09/16/2025 +0 days CVE reserved
09/16/2025 +0 days VulDB entry created
12/27/2025 +102 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53313 (🔒)
GCVE (CVE): GCVE-0-2023-53313
GCVE (VulDB): GCVE-100-324528
CERT Bund: WID-SEC-2025-2077 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 09/16/2025 20:39
Updated: 12/27/2025 08:27
Changes: 09/16/2025 20:39 (58), 09/17/2025 14:52 (2), 10/21/2025 05:19 (7), 12/02/2025 00:06 (11), 12/27/2025 08:27 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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