Linux Kernel up to 6.15-rc2 wifi wl1251_tx_work memory leak

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

Summaryinfo

A vulnerability marked as critical has been reported in Linux Kernel up to 6.15-rc2. This issue affects the function wl1251_tx_work of the component wifi. This manipulation causes memory leak. This vulnerability is registered as CVE-2025-37982. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.15-rc2 and classified as critical. Affected by this vulnerability is the function wl1251_tx_work of the component wifi. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: fix memory leak in wl1251_tx_work The skb dequeued from tx_queue is lost when wl1251_ps_elp_wakeup fails with a -ETIMEDOUT error. Fix that by queueing the skb back to tx_queue.

It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2025-37982 since 04/16/2025. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 237504 (Debian dla-4193 : linux-config-6.1 - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 5.4.293, 5.10.237, 5.15.181, 6.1.135, 6.6.88, 6.12.25, 6.14.4 or 6.15-rc3 eliminates this vulnerability. Applying the patch 13c9744c1bcdb5de4e7dc1a78784788ecec52add/f08448a885403722c5c77dae51964badfcb69495/2996144be660d930d5e394652abe08fe89dbe00e/8fd4b9551af214d037fbc9d8e179840b8b917841/4a43fd36710669d67dbb5c16287a58412582ca26/52f224009ce1e44805e6ff3ffc2a06af9c1c3c5b/5a90c29d0204c5ffc45b43b4eced6eef0e19a33a/a0f0dc96de03ffeefc2a177b7f8acde565cb77f4 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 (237504) and CERT Bund (WID-SEC-2025-1114). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • 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

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

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / 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: 237504
Nessus Name: Debian dla-4193 : linux-config-6.1 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.4.293/5.10.237/5.15.181/6.1.135/6.6.88/6.12.25/6.14.4/6.15-rc3
Patch: 13c9744c1bcdb5de4e7dc1a78784788ecec52add/f08448a885403722c5c77dae51964badfcb69495/2996144be660d930d5e394652abe08fe89dbe00e/8fd4b9551af214d037fbc9d8e179840b8b917841/4a43fd36710669d67dbb5c16287a58412582ca26/52f224009ce1e44805e6ff3ffc2a06af9c1c3c5b/5a90c29d0204c5ffc45b43b4eced6eef0e19a33a/a0f0dc96de03ffeefc2a177b7f8acde565cb77f4

Timelineinfo

04/16/2025 🔍
05/20/2025 +34 days 🔍
05/20/2025 +0 days 🔍
12/16/2025 +210 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-37982 (🔍)
GCVE (CVE): GCVE-0-2025-37982
GCVE (VulDB): GCVE-100-309775
CERT Bund: WID-SEC-2025-1114 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 05/20/2025 20:21
Updated: 12/16/2025 22:26
Changes: 05/20/2025 20:21 (59), 05/30/2025 15:01 (2), 08/10/2025 03:49 (7), 09/27/2025 20:35 (1), 12/14/2025 19:16 (1), 12/16/2025 22:26 (11)
Complete: 🔍
Cache ID: 216::103

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

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