Linux Kernel up to 6.12.24/6.14.3/6.15-rc2 eth tx_prod denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.12.24/6.14.3/6.15-rc2. This affects the function tx_prod of the component eth. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2025-37873. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.12.24/6.14.3/6.15-rc2. Affected by this issue is the function tx_prod of the component eth. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: eth: bnxt: fix missing ring index trim on error path Commit under Fixes converted tx_prod to be free running but missed masking it on the Tx error path. This crashes on error conditions, for example when DMA mapping fails.

The advisory is available at git.kernel.org. This vulnerability is handled as CVE-2025-37873 since 04/16/2025. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 240657 (Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.25, 6.14.4 or 6.15-rc3 eliminates this vulnerability. Applying the patch 21e70f694bc0dcb40174b0940cc52a7769fc19e0/3742c55de00266fa7c8fd2c5d61a453d223a9cd1/12f2d033fae957d84c2c0ce604d2a077e61fa2c0 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 (240657) and CERT Bund (WID-SEC-2025-0991). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Dell Avamar
  • Open Source Linux Kernel
  • Dell NetWorker
  • 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

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: 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: 240657
Nessus Name: Ubuntu 25.04 : Linux kernel vulnerabilities (USN-7594-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.12.25/6.14.4/6.15-rc3
Patch: 21e70f694bc0dcb40174b0940cc52a7769fc19e0/3742c55de00266fa7c8fd2c5d61a453d223a9cd1/12f2d033fae957d84c2c0ce604d2a077e61fa2c0

Timelineinfo

04/16/2025 🔍
05/09/2025 +23 days 🔍
05/09/2025 +0 days 🔍
01/31/2026 +267 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-37873 (🔍)
GCVE (CVE): GCVE-0-2025-37873
GCVE (VulDB): GCVE-100-308162
CERT Bund: WID-SEC-2025-0991 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/09/2025 09:10
Updated: 01/31/2026 02:25
Changes: 05/09/2025 09:10 (59), 06/27/2025 22:49 (2), 11/13/2025 02:07 (11), 01/31/2026 02:25 (7)
Complete: 🔍
Cache ID: 216::103

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

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