CVE-2026-68439
wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it.
INFO
Published Date :
Aug. 12, 2026, 12:17 a.m.
Last Modified :
Aug. 12, 2026, 12:17 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products
The following products are affected by CVE-2026-68439
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Apply the vendor-provided patch for the mt7925 driver.
- Update the Linux kernel to a fixed version.
- Rebuild and deploy the updated kernel module.
- Restart affected systems to apply changes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-68439.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68439 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-68439
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-68439 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68439 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 12, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c948b5da6bbec742b433138e3e3f9537a85af2e5', 'lessThan': '42288cca984fb72ad3ebe43d4e7fdce9dcabfdb5', 'versionType': 'git'}, {'status': 'affected', 'version': 'c948b5da6bbec742b433138e3e3f9537a85af2e5', 'lessThan': '313343ab8cab7417973e7bdd43d3c3e93044b447', 'versionType': 'git'}, {'status': 'affected', 'version': 'c948b5da6bbec742b433138e3e3f9537a85af2e5', 'lessThan': '856f1588a2590e70b119e76c15315615a36aebc8', 'versionType': 'git'}, {'status': 'affected', 'version': 'c948b5da6bbec742b433138e3e3f9537a85af2e5', 'lessThan': '8d1b6738c1ab48c086b17e7994034aca94258931', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7925/mcu.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.7'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.7', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.101', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.42', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.6', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc5', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7925/mcu.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv() mt76_connac_get_he_phy_cap routine can theoretically return NULL so check cap pointer before dereferencing it. Added Reference https://git.kernel.org/stable/c/313343ab8cab7417973e7bdd43d3c3e93044b447 Added Reference https://git.kernel.org/stable/c/42288cca984fb72ad3ebe43d4e7fdce9dcabfdb5 Added Reference https://git.kernel.org/stable/c/856f1588a2590e70b119e76c15315615a36aebc8 Added Reference https://git.kernel.org/stable/c/8d1b6738c1ab48c086b17e7994034aca94258931