Linux Kernel up to 7.0.12 wifi denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.62

Summaryinfo

A vulnerability, which was classified as critical, has been found in Linux Kernel up to 7.0.12. This affects an unknown part of the component wifi. Performing a manipulation results in denial of service. This vulnerability is known as CVE-2026-53257. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 7.0.12. This affects an unknown functionality of the component wifi. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: enforce HE/EHT cap/oper consistency Xiang Mei reports that mac80211 could crash if eht_cap is set but eht_oper isn't. Rather than fixing that for the individual user(s), enforce that both HE/EHT have consistent elements.

It is possible to read the advisory at git.kernel.org. This vulnerability is uniquely identified as CVE-2026-53257 since 06/09/2026. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 7.0.13 eliminates this vulnerability. Applying the patch 0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a/cb9959ab5f99611d27a06586add84811fe8102dc 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.

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

Productinfo

Type

Vendor

Name

Version

License

Website

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

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

Exploitinginfo

Class: Denial of service
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Kernel 7.0.13
Patch: 0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a/cb9959ab5f99611d27a06586add84811fe8102dc

Timelineinfo

06/09/2026 CVE reserved
06/25/2026 +16 days Advisory disclosed
06/25/2026 +0 days VulDB entry created
06/25/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-53257 (🔒)
GCVE (CVE): GCVE-0-2026-53257
GCVE (VulDB): GCVE-100-373815

Entryinfo

Created: 06/25/2026 12:30
Changes: 06/25/2026 12:30 (58)
Complete: 🔍
Cache ID: 216::103

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