Linux Kernel up to 6.7.2 ath11k vif_add_debugfs denial of service

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

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.7.2. The impacted element is the function vif_add_debugfs of the component ath11k. Such manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2024-26637. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 6.7.2. Affected by this issue is the function vif_add_debugfs of the component ath11k. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: rely on mac80211 debugfs handling for vif mac80211 started to delete debugfs entries in certain cases, causing a ath11k to crash when it tried to delete the entries later. Fix this by relying on mac80211 to delete the entries when appropriate and adding them from the vif_add_debugfs handler.

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2024-26637 since 02/19/2024. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 227911 (Linux Distros Unpatched Vulnerability : CVE-2024-26637), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 6.7.3 or 6.8 eliminates this vulnerability. Applying the patch aa74ce30a8a4/556857aa1d08 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 vulnerability database at Tenable (227911). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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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

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

Exploitinginfo

Class: Denial of service
CWE: 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: 227911
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2024-26637

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 6.7.3/6.8
Patch: aa74ce30a8a4/556857aa1d08

Timelineinfo

02/19/2024 🔍
03/18/2024 +28 days 🔍
03/18/2024 +0 days 🔍
03/10/2025 +357 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2024-26637 (🔍)
GCVE (CVE): GCVE-0-2024-26637
GCVE (VulDB): GCVE-100-257132

Entryinfo

Created: 03/18/2024 14:06
Updated: 03/10/2025 18:21
Changes: 03/18/2024 14:06 (58), 03/06/2025 02:14 (3), 03/10/2025 18:21 (11)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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