Linux Kernel up to 6.4.6 wifi iwl_mvm_sec_key_add out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.4.6. This issue affects the function iwl_mvm_sec_key_add of the component wifi. Performing a manipulation results in out-of-bounds. This vulnerability is identified as CVE-2023-53575. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.4.6. It has been classified as problematic. This affects the function iwl_mvm_sec_key_add of the component wifi. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential array out of bounds access Account for IWL_SEC_WEP_KEY_OFFSET when needed while verifying key_len size in iwl_mvm_sec_key_add().

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2023-53575 since 10/04/2025. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 6.4.7 eliminates this vulnerability. Applying the patch 133b1cd4d98bb8b272335c8e6b0e0c399c0b2ffa/637452360ecde9ac972d19416e9606529576b302 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 EUVD (EUVD-2023-60033) and CERT Bund (WID-SEC-2025-2194). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Google Container-Optimized OS
  • Debian Linux
  • Google Cloud Platform
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • NetApp ActiveIQ Unified Manager
  • IBM QRadar SIEM
  • Dell NetWorker

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.4.7
Patch: 133b1cd4d98bb8b272335c8e6b0e0c399c0b2ffa/637452360ecde9ac972d19416e9606529576b302

Timelineinfo

10/04/2025 Advisory disclosed
10/04/2025 +0 days CVE reserved
10/04/2025 +0 days VulDB entry created
03/02/2026 +149 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53575 (🔒)
GCVE (CVE): GCVE-0-2023-53575
GCVE (VulDB): GCVE-100-327111
EUVD: 🔒
CERT Bund: WID-SEC-2025-2194 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 10/04/2025 18:06
Updated: 03/02/2026 07:28
Changes: 10/04/2025 18:06 (59), 10/05/2025 03:59 (1), 11/23/2025 21:39 (7), 12/26/2025 13:53 (1), 02/06/2026 18:07 (11), 03/02/2026 07:28 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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