CVE-2026-68309
wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_bss_he_tlv()
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_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. 10, 2026, 1:20 p.m.
Last Modified :
Aug. 17, 2026, 5:18 a.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Update the Linux kernel to include the patch.
- Verify the integrity of the mt76 driver.
- Reboot the system after applying the update.
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-2026-68309.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-68309 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-2026-68309
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-2026-68309 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-68309 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.
-
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 17, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'b09508dd7bc4a8948ea00603041a918c09788502', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2afc2d5098866518a5c446a2e647b1b3f43daaf4', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'c058786b09cfab080125bc3ee7928a181dcbd37a', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '8709c66e665a2a09192853d4f3d0fb4bd0f76403', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2c1fb2335f5e3afb34f91bc07ecb63517c328090', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt76_connac_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': '5.12'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.12', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'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/mt76_connac_mcu.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'b09508dd7bc4a8948ea00603041a918c09788502', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2afc2d5098866518a5c446a2e647b1b3f43daaf4', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'c058786b09cfab080125bc3ee7928a181dcbd37a', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '8709c66e665a2a09192853d4f3d0fb4bd0f76403', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2c1fb2335f5e3afb34f91bc07ecb63517c328090', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt76_connac_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': '5.12'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.12', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'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', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Aug. 10, 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': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'b09508dd7bc4a8948ea00603041a918c09788502', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2afc2d5098866518a5c446a2e647b1b3f43daaf4', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': 'c058786b09cfab080125bc3ee7928a181dcbd37a', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '8709c66e665a2a09192853d4f3d0fb4bd0f76403', 'versionType': 'git'}, {'status': 'affected', 'version': 'd0e274af2f2e44b9d496f5d2c0431fdd2ea76fb8', 'lessThan': '2c1fb2335f5e3afb34f91bc07ecb63517c328090', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt76_connac_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': '5.12'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.12', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.148', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'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/mt76_connac_mcu.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: fix possible NULL-pointer deref in mt76_connac_mcu_uni_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/2afc2d5098866518a5c446a2e647b1b3f43daaf4 Added Reference https://git.kernel.org/stable/c/2c1fb2335f5e3afb34f91bc07ecb63517c328090 Added Reference https://git.kernel.org/stable/c/8709c66e665a2a09192853d4f3d0fb4bd0f76403 Added Reference https://git.kernel.org/stable/c/b09508dd7bc4a8948ea00603041a918c09788502 Added Reference https://git.kernel.org/stable/c/c058786b09cfab080125bc3ee7928a181dcbd37a