CVE-2026-53088

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductLinux Kernel
PublishedJun 24, 2026
First seenJun 24, 2026
Weakness typeCWE-193CWE-193

How to fix

Update
  • linux linux_kernel3.17, 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel3.16.50 ≤ v < 3.17, 4.13.1 ≤ v < 5.10.258, 5.11 ≤ v < 5.15.209, 5.16 ≤ v < 6.1.175, 6.2 ≤ v < 6.6.141, 6.7 ≤ v < 6.12.91, 6.13 ≤ v < 6.18.33, 6.19 ≤ v < 7.0.10, 4.133.17, 5.10.258, 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10

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