VDB-336784 · CVE-2025-68247 · Nessus 279010

Linux Kernel up to 6.17.8 do_timer_create memory leak

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5.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Linux Kernel up to 6.17.8. This affects the function do_timer_create. Executing a manipulation can lead to memory leak. The identification of this vulnerability is CVE-2025-68247. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.17.8 and classified as critical. This vulnerability affects the function do_timer_create. 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. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: posix-timers: Plug potential memory leak in do_timer_create() When posix timer creation is set to allocate a given timer ID and the access to the user space value faults, the function terminates without freeing the already allocated posix timer structure. Move the allocation after the user space access to cure that. [ tglx: Massaged change log ]

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2025-68247 since 12/16/2025. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 279010 (Linux Distros Unpatched Vulnerability : CVE-2025-68247), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.17.9 eliminates this vulnerability. Applying the patch f417f44524e7fc098e787c718d838b32723c0b2d/e0fd4d42e27f761e9cc82801b3f183e658dc749d 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 (279010) and CERT Bund (WID-SEC-2025-2868). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

Debian Linux
Amazon Linux 2
Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
Oracle Linux
SUSE openSUSE
RESF Rocky Linux
Open Source Linux Kernel

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

Website

Vendor: https://www.kernel.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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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: No
Local: No
Remote: Partially

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 279010
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-68247

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 6.17.9
Patch: f417f44524e7fc098e787c718d838b32723c0b2d/e0fd4d42e27f761e9cc82801b3f183e658dc749d

Timelineinfo

12/16/2025 Advisory disclosed
12/16/2025 +0 days CVE reserved
12/16/2025 +0 days VulDB entry created
02/22/2026 +68 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2025-68247 (🔒)
GCVE (CVE): GCVE-0-2025-68247
GCVE (VulDB): GCVE-100-336784
CERT Bund: WID-SEC-2025-2868 - Linux Kernel: Mehrere Schwachstellen

Entryinfo

Created: 12/16/2025 16:05
Updated: 02/22/2026 03:01
Changes: 12/16/2025 16:05 (58), 12/19/2025 03:57 (2), 01/20/2026 04:11 (7), 02/03/2026 13:17 (1), 02/22/2026 03:01 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.