Linux Kernel up to 6.12.76/6.18.16/6.19.6/7.0-rc2 wifi mt7925_mac_write_txwi_80211 out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.64

Summaryinfo

A vulnerability identified as critical has been detected in Linux Kernel up to 6.12.76/6.18.16/6.19.6/7.0-rc2. Affected by this vulnerability is the function mt7925_mac_write_txwi_80211 of the component wifi. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2026-23363. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 6.12.76/6.18.16/6.19.6/7.0-rc2. Affected by this vulnerability is the function mt7925_mac_write_txwi_80211 of the component wifi. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: Fix possible oob access in mt7925_mac_write_txwi_80211() Check frame length before accessing the mgmt fields in mt7925_mac_write_txwi_80211 in order to avoid a possible oob access.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2026-23363 since 01/13/2026. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/30/2026).

Upgrading to version 6.12.77, 6.18.17, 6.19.7 or 7.0-rc3 eliminates this vulnerability. Applying the patch 3356464e50e1ee15ba3c324ef6cc5a475c2e96e4/2831a8c574545101e6d0df50785fccb16474eb3c/22a6419a8b955df81082285543be3e61816c49b5/c41a9abd6ae31d130e8f332e7c8800c4c866234b 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.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
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: Out-of-bounds
CWE: CWE-125 / CWE-119
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 6.12.77/6.18.17/6.19.7/7.0-rc3
Patch: 3356464e50e1ee15ba3c324ef6cc5a475c2e96e4/2831a8c574545101e6d0df50785fccb16474eb3c/22a6419a8b955df81082285543be3e61816c49b5/c41a9abd6ae31d130e8f332e7c8800c4c866234b

Timelineinfo

01/13/2026 CVE reserved
03/25/2026 +71 days Advisory disclosed
03/25/2026 +0 days VulDB entry created
03/30/2026 +5 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-23363 (🔒)
GCVE (CVE): GCVE-0-2026-23363
GCVE (VulDB): GCVE-100-353089

Entryinfo

Created: 03/25/2026 13:29
Updated: 03/30/2026 11:43
Changes: 03/25/2026 13:29 (59), 03/30/2026 11:43 (1)
Complete: 🔍
Cache ID: 216:EBD:103

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