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Vulnerability record · CVE-2026-53088 · published 24 June 2026

CVE-2026-53088: Linux kernel vulnerability

Linux · Linux Kernel

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.

9.8 CVSS 3.1 Critical EPSS 0.76% · top 46.7% CWE-193 · CWE-193
9.8CVSS 3.1 base score
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
8References
23 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://git.kernel.org/stable/c/14e9f86564fff7bcf7f45c1b69080e837b31d185 Patch
https://git.kernel.org/stable/c/29394f722f620281f2ee9a47f947734e53d72c90 Patch
https://git.kernel.org/stable/c/2a74590170427a3ca7cc4bb8690cdd559129c29c Patch
https://git.kernel.org/stable/c/4cab761fc51c65aef741fcece4a18f3554edbc09 Patch
https://git.kernel.org/stable/c/57f3f53d2c9c5a9e133596e2f7bc1c50688a6d38 Patch
https://git.kernel.org/stable/c/72df896e31ddd06fcc5a789f025ad7a62a18bc9b Patch
https://git.kernel.org/stable/c/85f34ec320d3881badfd4edc5fee5cd5012bb54d Patch
https://git.kernel.org/stable/c/fb9a3c1f547d0ff024dbfe7b6f327626ddf0a3de Patch

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Source: NIST National Vulnerability Database (record CVE-2026-53088), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.