CVE-2026-72308

medium

Description

In the Linux kernel, the following vulnerability has been resolved: mlxsw: fix refcount leak in mlxsw_sp_port_lag_join() When mlxsw_sp_port_lag_index_get() fails, mlxsw_sp_port_lag_join() returns an error without releasing the lag reference obtained by the earlier mlxsw_sp_lag_get(). All other error paths in the function jump to the cleanup label that ends with mlxsw_sp_lag_put(), so this is a single missed release. Fix the leak by replacing the bare 'return err' with a goto to the existing error cleanup label, which will drop the reference safely.

References

https://git.kernel.org/stable/c/cab468c3c03f4bcd7530ce2783a4140da14efb7b

https://git.kernel.org/stable/c/9bf2d6eea26a226f8ebab7baea6f2b018f914560

https://git.kernel.org/stable/c/99ff5b0083eae6f774360c4ea6874604e6c9b553

https://git.kernel.org/stable/c/8b3350eacd9df0597bfe36a594df7b9def0b3edf

https://git.kernel.org/stable/c/41c8c1d65b32beacd8d916a22457b4f6e47f45af

https://git.kernel.org/stable/c/3fbeaa8ecd144ad593f9fa1ab4b40a780ad3700b

https://git.kernel.org/stable/c/2d8b3c3e129973a51ae924bdcf6993a76b828814

https://git.kernel.org/stable/c/1cf8a1af42b1f12a30b7abd34fe4fc23b3170e7e

Details

Source: Mitre, NVD

Published: 2026-08-15

Updated: 2026-08-23

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00209