Linux Kernel mt7996 mt7996_init_tx_queues null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.34

Summaryinfo

A vulnerability categorized as critical has been discovered in Linux Kernel. Affected by this vulnerability is the function mt7996_init_tx_queues of the component mt7996. Such manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2026-80632. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Linux Kernel (affected version unknown) and classified as critical. Affected by this issue is the function mt7996_init_tx_queues of the component mt7996. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: Fix NULL pointer dereference in mt7996_init_tx_queues() When MT76_NPU and CONFIG_NET_MEDIATEK_SOC_WED are enabled and mt76 detects properly the Airoha NPU SoC, mt7996_init_tx_queues() will dereference a NULL WED pointer. Fix the issue by always passing the WED pointer from mt7996_dma_init().

The advisory is shared for download at git.kernel.org. This vulnerability is handled as CVE-2026-80632 since 08/26/2026. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/28/2026).

Applying the patch 93f3f9a9e955569ab7c3f02f0486d3aaf2314a56 is able to eliminate this problem.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: 93f3f9a9e955569ab7c3f02f0486d3aaf2314a56

Timelineinfo

08/26/2026 CVE reserved
08/28/2026 +2 days Advisory disclosed
08/28/2026 +0 days VulDB entry created
08/28/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-80632 (🔒)
GCVE (CVE): GCVE-0-2026-80632
GCVE (VulDB): GCVE-100-396572

Entryinfo

Created: 08/28/2026 10:28
Changes: 08/28/2026 10:28 (57)
Complete: 🔍
Cache ID: 216::103

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