Linux Kernel up to 7.2-rc4 mt7915 mt7915_mcu_bss_he_tlv/mt7915_mcu_sta_bfer_tlv null pointer dereference

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc4. Impacted is the function mt7915_mcu_bss_he_tlv/mt7915_mcu_sta_bfer_tlv of the component mt7915. Executing a manipulation can lead to null pointer dereference. This vulnerability is registered as CVE-2026-68310. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Linux Kernel up to 6.6.147/6.12.100/6.18.41/7.1.5/7.2-rc4. It has been declared as critical. This vulnerability affects the function mt7915_mcu_bss_he_tlv/mt7915_mcu_sta_bfer_tlv of the component mt7915. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. CVE summarizes:

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: guard HE capability lookups mt7915_mcu_bss_he_tlv() and mt7915_mcu_sta_bfer_tlv() both run after checking HE support, then dereference the HE PHY capability returned by mt76_connac_get_he_phy_cap(). That helper can return NULL when no capability entry matches the vif type. Fetch the capability before appending the TLV and skip the HE-specific setup when no matching capability is available.

The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2026-68310 since 07/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. 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 08/10/2026).

Upgrading to version 6.6.148, 6.12.101, 6.18.42, 7.1.6 or 7.2-rc5 eliminates this vulnerability. Applying the patch 23a2b98e754da04e0e90314d5fa8ca44349590fb/a031f454f14e3e76ad03bcb23918e1a82b4b0869/871549814eb4da081f1e93cc0c7ea626a310a966/6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e/8e9db062654a388d0fa587acbeeae68dd33eba41 is able to eliminate this problem. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
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

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 6.6.148/6.12.101/6.18.42/7.1.6/7.2-rc5
Patch: 23a2b98e754da04e0e90314d5fa8ca44349590fb/a031f454f14e3e76ad03bcb23918e1a82b4b0869/871549814eb4da081f1e93cc0c7ea626a310a966/6f99a5667c6c7c3e0da1d3c4dc8dfb103042609e/8e9db062654a388d0fa587acbeeae68dd33eba41

Timelineinfo

07/30/2026 CVE reserved
08/10/2026 +11 days Advisory disclosed
08/10/2026 +0 days VulDB entry created
08/10/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2026-68310 (🔒)
GCVE (CVE): GCVE-0-2026-68310
GCVE (VulDB): GCVE-100-387700

Entryinfo

Created: 08/10/2026 17:49
Changes: 08/10/2026 17:49 (59)
Complete: 🔍
Cache ID: 216::103

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