CVE-2026-63997

In the Linux kernel, the following vulnerability has been resolved: ethtool: module: avoid leaking a netdev ref on module flash errors module_flash_fw_schedule() is missing undo for setting the "in_progress" flag and taking the netdev reference. Delay taking these, the device can't disappear while we are holding rtnl_lock.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-25)

CWE

CWE-401

Published

2026-07-19

Modified

2026-10-13

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/61848c83b9132ab839809fe415ba7802a0aca4f6
• https://git.kernel.org/stable/c/956b134d917fd7e014dc7e39a9b7610c04fcc9ba
• https://git.kernel.org/stable/c/f7b4513e77f9571dc1041a798b93b5c4a4bfc191
• https://git.kernel.org/stable/c/fb7f511d62692661846c47f199e0afe25c2982db

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