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CVE-2026-63997General(linux / linux_kernel)

LOWCVSS 5.5 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

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0.0/ 10 priority

Sources & remediation

Patch / fix
Weakness type (CWE)
CWE-401

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • linux_kernel

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Patch: 1 classified signal
  • 2 total mentions across 1 day

Affected systems

Vendors
linux
Products
linux_kernel

1 version affected across 1 product

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-07-19: 2Technical Details · 2026-07-19: 207-19
Signal classification2 categories
General
150.0%
Patch
150.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    General

    🚨*CVE* 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… https://www.cve.org/CVERecord?id=CVE-2026-63997 ----- Traducción: CVE-2026-63997 En … http://infoflow.cloud`

    Post summary

    The post notes that CVE‑2026‑63997, a Linux kernel vulnerability involving ethtool, has been resolved, yet it provides no patch details, exploit code, or evidence of active exploitation.

    0000029
    92 followersView on X
  • CVE@CVEnew
    Patch

    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… https://www.cve.org/CVERecord?id=CVE-2026-63997

    Post summary

    A Linux kernel defect in ethtool that could leak a netdev reference has been fixed; the CVE record is referenced but no details on PoC, exploit, or mitigation are provided.

    00000702
    57.8K followersView on X
CPE platform detail6 entries

6 of 6 entries

PartVendorProductVersionTarget SWTarget HW
OSlinuxlinux_kernel---
OSlinuxlinux_kernel7.1--
OSlinuxlinux_kernel7.1--
OSlinuxlinux_kernel7.1--
OSlinuxlinux_kernel7.1--
OSlinuxlinux_kernel7.1--

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