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5.5
MEDIUM CVSS 3.1
CVE-2025-37757
tipc: fix memory leak in tipc_link_xmit
Description

In the Linux kernel, the following vulnerability has been resolved: tipc: fix memory leak in tipc_link_xmit In case the backlog transmit queue for system-importance messages is overloaded, tipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This leads to memory leak and failure when a skb is allocated. This commit fixes this issue by purging the skb list before tipc_link_xmit() returns.

INFO

Published Date :

May 1, 2025, 1:15 p.m.

Last Modified :

Nov. 4, 2025, 6 p.m.

Remotely Exploit :

No

Source :

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

The following products are affected by CVE-2025-37757 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
Fix a memory leak in the Linux kernel's tipc module by purging the skb list.
  • Apply the kernel patch to fix the memory leak.
  • Update the Linux kernel to the latest version.
  • Review and test the memory leak fix in your environment.
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-2025-37757.

URL Resource
https://git.kernel.org/stable/c/09c2dcda2c551bba30710c33f6ac678ae7395389 Patch
https://git.kernel.org/stable/c/24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb Patch
https://git.kernel.org/stable/c/69ae94725f4fc9e75219d2d69022029c5b24bc9a Patch
https://git.kernel.org/stable/c/7c5957f7905b4aede9d7a559d271438f3ca9e852 Patch
https://git.kernel.org/stable/c/84895f5ce3829d9fc030e5ec2d8729da4c0c9d08 Patch
https://git.kernel.org/stable/c/a40cbfbb8f95c325430f017883da669b2aa927d4 Patch
https://git.kernel.org/stable/c/d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf Patch
https://git.kernel.org/stable/c/d4d40e437adb376be16b3a12dd5c63f0fa768247 Patch
https://git.kernel.org/stable/c/ed06675d3b8cd37120b447646d53f7cd3e6fcd63 Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Mailing List
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Mailing List
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-37757 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-2025-37757 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-2025-37757 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-2025-37757 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]

    Nov. 04, 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 CWE-401
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.12 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.14 up to (excluding) 6.14.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.88 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.24 *cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.181 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.11 up to (excluding) 5.4.293 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.237 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.135
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/09c2dcda2c551bba30710c33f6ac678ae7395389 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/69ae94725f4fc9e75219d2d69022029c5b24bc9a Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7c5957f7905b4aede9d7a559d271438f3ca9e852 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/84895f5ce3829d9fc030e5ec2d8729da4c0c9d08 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/a40cbfbb8f95c325430f017883da669b2aa927d4 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/d4d40e437adb376be16b3a12dd5c63f0fa768247 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/ed06675d3b8cd37120b447646d53f7cd3e6fcd63 Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Types: Mailing List
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Types: Mailing List
  • 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/2025/05/msg00030.html
    Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 02, 2025

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/84895f5ce3829d9fc030e5ec2d8729da4c0c9d08
    Added Reference https://git.kernel.org/stable/c/d4d40e437adb376be16b3a12dd5c63f0fa768247
    Added Reference https://git.kernel.org/stable/c/ed06675d3b8cd37120b447646d53f7cd3e6fcd63
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 01, 2025

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: tipc: fix memory leak in tipc_link_xmit In case the backlog transmit queue for system-importance messages is overloaded, tipc_link_xmit() returns -ENOBUFS but the skb list is not purged. This leads to memory leak and failure when a skb is allocated. This commit fixes this issue by purging the skb list before tipc_link_xmit() returns.
    Added Reference https://git.kernel.org/stable/c/09c2dcda2c551bba30710c33f6ac678ae7395389
    Added Reference https://git.kernel.org/stable/c/24e6280cdd7f8d01fc6b9b365fb800c2fb7ea9bb
    Added Reference https://git.kernel.org/stable/c/69ae94725f4fc9e75219d2d69022029c5b24bc9a
    Added Reference https://git.kernel.org/stable/c/7c5957f7905b4aede9d7a559d271438f3ca9e852
    Added Reference https://git.kernel.org/stable/c/a40cbfbb8f95c325430f017883da669b2aa927d4
    Added Reference https://git.kernel.org/stable/c/d0e02d3d27a0b4dcb13f954f537ca1dd8f282dcf
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