CVE-2026-74718

devlink: fix net namespace reference leak in reload

N/A
Published: August 22, 2026 at 03:33 PM UTC
Updated: October 14, 2026 at 01:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: devlink: fix net namespace reference leak in reload devlink_nl_reload_doit() calls devlink_netns_get(), which returns a net with a held reference. When the requested namespace differs from the current one and the reload action is not DRIVER_REINIT, the function returns -EOPNOTSUPP without releasing the reference. Add the missing put_net() on this error path.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2edd92570441dd33246210042dc167319a5cf7e36.3
Vendor states this is fixed in 1c4dac9bf1d2ac31da63b794bdec697777cbd0fd (fixed)
Vendor states this is fixed in 7b02c6d2a3cd2cd669f5c16685779f84328ae60c (fixed)
Vendor states this is fixed in 7b6552e53426ea0539c667bbc5a524fdf7feae6f (fixed)
Vendor states this is fixed in bf0797b92be591ac71d7c0f610e695caca3c72c9 (fixed)
Vendor states this is fixed in eda60c85b4f4c7d66b7141a5fe020b1a7f395341 (fixed)
Vendor states this is fixed in 6.12.104 (unaffected)
Vendor states this is fixed in 6.18.45 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.6.152 (unaffected)
Vendor states this is fixed in 7.1.9 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusRECEIVED

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