CVE-2026-53088
net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
Description
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the pointer first then return the tx_cb that it points to. That way the txcb can be correctly cleaned up.
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
- Apply the bcmgenet driver patch.
- Review the pointer logic in bcmgenet_put_txcb.
- Ensure tx_cb is correctly cleaned up.
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-2026-53088.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-53088 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-2026-53088
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-2026-53088 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-53088 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': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '14e9f86564fff7bcf7f45c1b69080e837b31d185', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': 'fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '85f34ec320d3881badfd4edc5fee5cd5012bb54d', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '2a74590170427a3ca7cc4bb8690cdd559129c29c', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '29394f722f620281f2ee9a47f947734e53d72c90', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '4cab761fc51c65aef741fcece4a18f3554edbc09', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '72df896e31ddd06fcc5a789f025ad7a62a18bc9b', 'versionType': 'git'}, {'status': 'affected', 'version': '876dbadd53a7102e2a84afc84ea2bd3ee6dc5636', 'lessThan': '57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38', 'versionType': 'git'}, {'status': 'affected', 'version': '3bdf77194ea822390b405639b77659071fd2c2e9', 'versionType': 'git'}, {'status': 'affected', 'version': '3.16.50', 'lessThan': '3.17', 'versionType': 'semver'}], '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': '4.13'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.13', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.258', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.209', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'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 off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the pointer first then return the tx_cb that it points to. That way the txcb can be correctly cleaned up. Added Reference https://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185 Added Reference https://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90 Added Reference https://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c Added Reference https://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09 Added Reference https://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38 Added Reference https://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b Added Reference https://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d Added Reference https://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de