Linux Kernel up to 6.12.4 hci_conn cancel_delayed_work_sync privilege escalation

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel up to 6.12.4. This vulnerability affects the function cancel_delayed_work_sync of the component hci_conn. The manipulation leads to an unknown weakness. This vulnerability is traded as CVE-2024-56591. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.12.4 and classified as problematic. This issue affects the function cancel_delayed_work_sync of the component hci_conn. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Use disable_delayed_work_sync This makes use of disable_delayed_work_sync instead cancel_delayed_work_sync as it not only cancel the ongoing work but also disables new submit which is disarable since the object holding the work is about to be freed.

The advisory is shared at git.kernel.org. The identification of this vulnerability is CVE-2024-56591 since 12/27/2024. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 233479 (Ubuntu 24.10 : Linux kernel (Low Latency) vulnerabilities (USN-7380-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.12.5 eliminates this vulnerability. Applying the patch c55a4c5a04bae40dcdc1e1c19d8eb79a06fb3397/2b0f2fc9ed62e73c95df1fa8ed2ba3dac54699df 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 (233479) and CERT Bund (WID-SEC-2024-3762). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • RESF Rocky Linux
  • Dell NetWorker
  • Dell Avamar
  • Red Hat OpenShift
  • IBM QRadar SIEM
  • Dell PowerProtect Data Domain
  • Open Source Linux Kernel
  • IBM DataPower Gateway
  • Dell Secure Connect Gateway

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Privilege escalation
CWE: Unknown
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: 233479
Nessus Name: Ubuntu 24.10 : Linux kernel (Low Latency) vulnerabilities (USN-7380-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.12.5
Patch: c55a4c5a04bae40dcdc1e1c19d8eb79a06fb3397/2b0f2fc9ed62e73c95df1fa8ed2ba3dac54699df

Timelineinfo

12/27/2024 🔍
12/27/2024 +0 days 🔍
12/27/2024 +0 days 🔍
01/05/2026 +374 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-56591 (🔍)
GCVE (CVE): GCVE-0-2024-56591
GCVE (VulDB): GCVE-100-289589
CERT Bund: WID-SEC-2024-3762 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/27/2024 18:55
Updated: 01/05/2026 07:25
Changes: 12/27/2024 18:55 (57), 03/29/2025 06:27 (2), 07/25/2025 03:24 (7), 10/07/2025 20:17 (11), 01/05/2026 07:25 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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