CVE-2026-53087
net: bcmgenet: fix leaking free_bds
Description
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix leaking free_bds While reclaiming the tx queue we fast forward the write pointer to drop any data in flight. These dropped frames are not added back to the pool of free bds. We also need to tell the netdev that we are dropping said data.
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 | HIGH | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 |
Solution
- Apply the Linux kernel patch for net: bcmgenet.
- Update the network driver.
- Notify the network device about dropped data.
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-2026-53087.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53087 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-2026-53087
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-2026-53087 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53087 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:N/I:N/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': '6a84791b63044cdee3ab55eb350e6352b751f584', 'lessThan': '150d06aae1839a6564ab200ef0e7291c3528bbb0', 'versionType': 'git'}, {'status': 'affected', 'version': '991cd78f95f2a1d6097669afaff66aeeba35f5fd', 'lessThan': '52b9f80993698138b90e5ca3a72550a2501f2a96', 'versionType': 'git'}, {'status': 'affected', 'version': '3877efc13053408f4cf2e821006d6ddd1929200f', 'lessThan': '3c3abbcfa05bad17965498ff7cc94c2418fa94b3', 'versionType': 'git'}, {'status': 'affected', 'version': 'f1bacae8b655163dcbc3c54b9e714ef1a8986d7b', 'lessThan': '25ff3a3e47ea635ec08dc93e84dd2bfe15abfebb', 'versionType': 'git'}, {'status': 'affected', 'version': 'f1bacae8b655163dcbc3c54b9e714ef1a8986d7b', 'lessThan': 'ac4a29c331ecb5b10240c44247a8e010c95bc15b', 'versionType': 'git'}, {'status': 'affected', 'version': 'f1bacae8b655163dcbc3c54b9e714ef1a8986d7b', 'lessThan': '3f3168300efb839028328d720ab3962f91d6a0d0', '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': '6.15'}, {'status': 'unaffected', 'version': '0', 'lessThan': '6.15', '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/ethernet/broadcom/genet/bcmgenet.c'], 'defaultStatus': 'affected'}] Added Description In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix leaking free_bds While reclaiming the tx queue we fast forward the write pointer to drop any data in flight. These dropped frames are not added back to the pool of free bds. We also need to tell the netdev that we are dropping said data. Added Reference https://git.kernel.org/stable/c/150d06aae1839a6564ab200ef0e7291c3528bbb0 Added Reference https://git.kernel.org/stable/c/25ff3a3e47ea635ec08dc93e84dd2bfe15abfebb Added Reference https://git.kernel.org/stable/c/3c3abbcfa05bad17965498ff7cc94c2418fa94b3 Added Reference https://git.kernel.org/stable/c/3f3168300efb839028328d720ab3962f91d6a0d0 Added Reference https://git.kernel.org/stable/c/52b9f80993698138b90e5ca3a72550a2501f2a96 Added Reference https://git.kernel.org/stable/c/ac4a29c331ecb5b10240c44247a8e010c95bc15b