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5.5
MEDIUM CVSS 3.1
CVE-2025-37998
openvswitch: Fix unsafe attribute parsing in output_userspace()
Description

In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix unsafe attribute parsing in output_userspace() This patch replaces the manual Netlink attribute iteration in output_userspace() with nla_for_each_nested(), which ensures that only well-formed attributes are processed.

INFO

Published Date :

May 29, 2025, 2:15 p.m.

Last Modified :

Dec. 16, 2025, 8:21 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2025-37998 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
1 Debian debian_linux
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Apply the Linux kernel patch to safely parse Netlink attributes.
  • Update the Linux kernel to include the provided patch.
  • Recompile the kernel with the fix applied.
  • Deploy the updated kernel to affected systems.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-37998.

URL Resource
https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501 Patch
https://git.kernel.org/stable/c/06b4f110c79716c181a8c5da007c259807840232 Patch
https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395 Patch
https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430 Patch
https://git.kernel.org/stable/c/6712dc21506738f5f22b4f68b7c0d9e0df819dbd Patch
https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308 Patch
https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87 Patch
https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd Patch
https://www.zerodayinitiative.com/advisories/ZDI-25-307/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37998 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-37998 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-37998 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-37998 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 16, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.238 *cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.14.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.29 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.91 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.139 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.183 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 3.3 up to (excluding) 5.4.294
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/06b4f110c79716c181a8c5da007c259807840232 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6712dc21506738f5f22b4f68b7c0d9e0df819dbd Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html Types: Third Party Advisory
    Added Reference Type kernel.org: https://www.zerodayinitiative.com/advisories/ZDI-25-307/ Types: Third Party Advisory
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html Types: Third Party Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 03, 2025

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 09, 2025

    Action Type Old Value New Value
    Added Reference https://www.zerodayinitiative.com/advisories/ZDI-25-307/
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Jun. 04, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/06b4f110c79716c181a8c5da007c259807840232
    Added Reference https://git.kernel.org/stable/c/6712dc21506738f5f22b4f68b7c0d9e0df819dbd
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 29, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix unsafe attribute parsing in output_userspace() This patch replaces the manual Netlink attribute iteration in output_userspace() with nla_for_each_nested(), which ensures that only well-formed attributes are processed.
    Added Reference https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501
    Added Reference https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395
    Added Reference https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430
    Added Reference https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308
    Added Reference https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87
    Added Reference https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact