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CVE-2026-23160: octeon_ep: Fix memory leak in octep_device_setup()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-14 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: octeon_ep: Fix memory leak in octep_device_setup() In octep_device_setup(), if octep_ctrl_net_init() fails, the function returns directly without unmapping the mapped resources and freeing the allocated configuration memory. Fix this by jumping to the unsupported_dev label, which performs the necessary cleanup. This aligns with the error handling logic of other paths in this function. Compile tested only. Issue found using a prototype static analysis tool and code review.

Affected products

• Linux kernel: from 6.4 before 6.6.123; from 6.7 before 6.12.69; from 6.13 before 6.18.9; 6.19-rc1, 6.19-rc2, 6.19-rc3, 6.19-rc4, 6.19-rc5, 6.19-rc6 (+1) — fixed in 6.12.69, 6.18.9, 6.6.123

How to fix

Upgrade to a fixed version: Linux kernel 6.12.69, 6.18.9, 6.6.123. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/5058d3f8f17202e673f90af1446252322bd0850f
• https://git.kernel.org/stable/c/8016dc5ee19a77678c264f8ba368b1e873fa705b
• https://git.kernel.org/stable/c/d753f3c3f9d7a6e6dbb4d3a97b73007d71624551
• https://git.kernel.org/stable/c/fdfd28e13c244d7c3345e74f339fd1b67605b694

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