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CVE-2026-74718

UnknownEPSS 0.17%

Last modified

CVE-2026-74718 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
0.17%

5.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 2edd92570441dd33246210042dc167319a5cf7e3, < 7b6552e53426ea0539c667bbc5a524fdf7feae6f; >= 2edd92570441dd33246210042dc167319a5cf7e3, < bf0797b92be591ac71d7c0f610e695caca3c72c9; >= 2edd92570441dd33246210042dc167319a5cf7e3, < 7b02c6d2a3cd2cd669f5c16685779f84328ae60c; >= 2edd92570441dd33246210042dc167319a5cf7e3, < eda60c85b4f4c7d66b7141a5fe020b1a7f395341; >= 2edd92570441dd33246210042dc167319a5cf7e3, < 1c4dac9bf1d2ac31da63b794bdec697777cbd0fd
LinuxLinux6.3

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-74718?
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.
How severe is CVE-2026-74718?
Severity scoring for CVE-2026-74718 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-74718?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST