CVE-2026-53101
wifi: mt76: mt7921: fix potential deadlock in mt7921_roc_abort_sync
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix potential deadlock in mt7921_roc_abort_sync roc_abort_sync() can deadlock with roc_work(). roc_work() holds dev->mt76.mutex, while cancel_work_sync() waits for roc_work() to finish. If the caller already owns the same mutex, both sides block and no progress is possible. This deadlock can occur during station removal when mt76_sta_state() -> mt76_sta_remove() -> mt7921_mac_sta_remove() -> mt7921_roc_abort_sync() invokes cancel_work_sync() while roc_work() is still running and holding dev->mt76.mutex. This avoids the mutex deadlock and preserves exactly-once work ownership.
INFO
Published Date :
June 24, 2026, 5:17 p.m.
Last Modified :
July 21, 2026, 6:20 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to include the fix.
- Ensure mutexes are acquired and released correctly.
- Synchronize work item execution paths carefully.
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-2026-53101.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53101 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-2026-53101
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-2026-53101 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53101 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.
-
Initial Analysis by [email protected]
Jul. 21, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-667 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.18.33 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.19 up to (excluding) 7.0.10 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.9 up to (excluding) 6.12.95 Added Reference Type kernel.org: https://git.kernel.org/stable/c/35180c772f5e11e2fa4d80d3dfd50906cb6d9646 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/91e77840bf13de3add125060cf8b32ca24a52c8c Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b4faaa617af3f4173e64169b0ec1af8f9c5bca10 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d5059e52fd8bc624ec4255c9fa01a266513d126b Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jul. 04, 2026
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/b4faaa617af3f4173e64169b0ec1af8f9c5bca10 Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '35180c772f5e11e2fa4d80d3dfd50906cb6d9646', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '91e77840bf13de3add125060cf8b32ca24a52c8c', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': 'd5059e52fd8bc624ec4255c9fa01a266513d126b', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': 'b4faaa617af3f4173e64169b0ec1af8f9c5bca10', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '35180c772f5e11e2fa4d80d3dfd50906cb6d9646', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '91e77840bf13de3add125060cf8b32ca24a52c8c', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': 'd5059e52fd8bc624ec4255c9fa01a266513d126b', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.12.95', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'affected'}] -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 24, 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': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '35180c772f5e11e2fa4d80d3dfd50906cb6d9646', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': '91e77840bf13de3add125060cf8b32ca24a52c8c', 'versionType': 'git'}, {'status': 'affected', 'version': '352d966126e66d825244f1185eb9f2d904c83dd4', 'lessThan': 'd5059e52fd8bc624ec4255c9fa01a266513d126b', 'versionType': 'git'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '6.9'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.9', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.18.33', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.0.10', 'versionType': 'semver', 'lessThanOrEqual': '7.0.*'}, {'status': 'unaffected', 'version': '7.1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['drivers/net/wireless/mediatek/mt76/mt7921/main.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: fix potential deadlock in mt7921_roc_abort_sync roc_abort_sync() can deadlock with roc_work(). roc_work() holds dev->mt76.mutex, while cancel_work_sync() waits for roc_work() to finish. If the caller already owns the same mutex, both sides block and no progress is possible. This deadlock can occur during station removal when mt76_sta_state() -> mt76_sta_remove() -> mt7921_mac_sta_remove() -> mt7921_roc_abort_sync() invokes cancel_work_sync() while roc_work() is still running and holding dev->mt76.mutex. This avoids the mutex deadlock and preserves exactly-once work ownership. Added Reference https://git.kernel.org/stable/c/35180c772f5e11e2fa4d80d3dfd50906cb6d9646 Added Reference https://git.kernel.org/stable/c/91e77840bf13de3add125060cf8b32ca24a52c8c Added Reference https://git.kernel.org/stable/c/d5059e52fd8bc624ec4255c9fa01a266513d126b