CVE-2026-53086
net: bcmgenet: fix racing timeout handler
Description
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix racing timeout handler The bcmgenet_timeout handler tries to take down all tx queues when a single queue times out. This is over zealous and causes many race conditions with queues that are still chugging along. Instead lets only restart the timed out queue.
INFO
Published Date :
June 24, 2026, 5:17 p.m.
Last Modified :
July 14, 2026, 3:26 p.m.
Remotely Exploit :
Yes !
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | CRITICAL | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Update the Linux kernel to the latest version.
- Apply the patch for the bcmgenet driver.
- Restart the affected network interface.
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-2026-53086.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53086 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-2026-53086
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-2026-53086 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53086 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
Jun. 28, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H -
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': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': 'e85b0c0a12e967930044608311471b665baa315c', 'versionType': 'git'}, {'status': 'affected', 'version': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': 'e8206538cbaf4f4068e99a4cb1138690a1e00499', 'versionType': 'git'}, {'status': 'affected', 'version': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': '681fdfe823b4f1036ed50b58b8838c7917ea389c', 'versionType': 'git'}, {'status': 'affected', 'version': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': 'c270e2bec3e55a716d25c35341091339457ac883', 'versionType': 'git'}, {'status': 'affected', 'version': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': '7ce1c26aac3b318886a57425f64b522da7389153', 'versionType': 'git'}, {'status': 'affected', 'version': '13ea657806cf73b379a0109f7042182f47c351a7', 'lessThan': '5393b2b5bee2ac51a0043dc7f4ac3475f053d08d', 'versionType': 'git'}], 'programFiles': ['drivers/net/ethernet/broadcom/genet/bcmgenet.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.2'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.2', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.1.175', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.141', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.91', '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/ethernet/broadcom/genet/bcmgenet.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix racing timeout handler The bcmgenet_timeout handler tries to take down all tx queues when a single queue times out. This is over zealous and causes many race conditions with queues that are still chugging along. Instead lets only restart the timed out queue. Added Reference https://git.kernel.org/stable/c/5393b2b5bee2ac51a0043dc7f4ac3475f053d08d Added Reference https://git.kernel.org/stable/c/681fdfe823b4f1036ed50b58b8838c7917ea389c Added Reference https://git.kernel.org/stable/c/7ce1c26aac3b318886a57425f64b522da7389153 Added Reference https://git.kernel.org/stable/c/c270e2bec3e55a716d25c35341091339457ac883 Added Reference https://git.kernel.org/stable/c/e8206538cbaf4f4068e99a4cb1138690a1e00499 Added Reference https://git.kernel.org/stable/c/e85b0c0a12e967930044608311471b665baa315c