Linux Kernel up to 6.3.3 ACPI privilege escalation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 6.3.3. It has been declared as problematic. Affected by this issue is some unknown functionality of the component ACPI. The manipulation results in an unknown weakness. This vulnerability was named CVE-2023-54244. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Linux Kernel up to 6.3.3. Affected is some unknown processing of the component ACPI. The impact remains unknown. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: ACPI: EC: Fix oops when removing custom query handlers When removing custom query handlers, the handler might still be used inside the EC query workqueue, causing a kernel oops if the module holding the callback function was already unloaded. Fix this by flushing the EC query workqueue when removing custom query handlers. Tested on a Acer Travelmate 4002WLMi

The advisory is shared for download at git.kernel.org. This vulnerability is traded as CVE-2023-54244 since 12/30/2025. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/27/2026).

The vulnerability scanner Nessus provides a plugin with the ID 281471 (Linux Distros Unpatched Vulnerability : CVE-2023-54244), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.316, 4.19.284, 5.4.244, 5.10.181, 5.15.113, 6.1.30 or 6.3.4 eliminates this vulnerability. Applying the patch 130e3eac51912f2c866e7d035992ede25f8feac0/0d528a7c421b1f1772fc1d29370b3b5fc0f42b19/ccae2233e9935a038a35fe8cfd703df905f700e7/066b90bca755f0b876e7b027b75d1796861d6db0/f4a573eed6377d356f835a4b00099d5dacee0da0/86a159fd5bdb01ec34b160cfda1a313b616d9302/fd2c99e81ae0dbdd62a154ef9c77fc01715cc020/e5b492c6bb900fcf9722e05f4a10924410e170c1 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 (281471) and CERT Bund (WID-SEC-2025-2941). Once again VulDB remains the best source for vulnerability data.

Affected

  • Debian Linux
  • Amazon Linux 2
  • IBM Power Hardware Management Console
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Linux Kernel
  • RESF Rocky Linux
  • IBM DataPower Gateway

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 281471
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-54244

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 4.14.316/4.19.284/5.4.244/5.10.181/5.15.113/6.1.30/6.3.4
Patch: 130e3eac51912f2c866e7d035992ede25f8feac0/0d528a7c421b1f1772fc1d29370b3b5fc0f42b19/ccae2233e9935a038a35fe8cfd703df905f700e7/066b90bca755f0b876e7b027b75d1796861d6db0/f4a573eed6377d356f835a4b00099d5dacee0da0/86a159fd5bdb01ec34b160cfda1a313b616d9302/fd2c99e81ae0dbdd62a154ef9c77fc01715cc020/e5b492c6bb900fcf9722e05f4a10924410e170c1

Timelineinfo

12/30/2025 Advisory disclosed
12/30/2025 +0 days CVE reserved
12/30/2025 +0 days VulDB entry created
04/27/2026 +118 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-54244 (🔒)
GCVE (CVE): GCVE-0-2023-54244
GCVE (VulDB): GCVE-100-338988
CERT Bund: WID-SEC-2025-2941 - Linux Kernel: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 12/30/2025 16:54
Updated: 04/27/2026 05:58
Changes: 12/30/2025 16:54 (56), 01/01/2026 12:44 (7), 01/01/2026 21:55 (2), 04/27/2026 05:58 (1)
Complete: 🔍
Cache ID: 216::103

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