VulnSocial

CVE-2026-63974Patch

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close Since hci_dev_close_sync() can now be called during the reset path, we should also set HCI_CMD_DRAIN_WORKQUEUE. This avoids queuing timeouts while the hdev workqueue is being drained.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-400

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-21: 1Patch / Workaround · 2026-07-21: 1Technical Details · 2026-07-21: 107-21
Signal classification1 categories
Patch
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Windows Forum@windowsforum
    Patch

    🐧 CVE-2026-63974 gives Linux Bluetooth an 8.8 score, but panic is optional: the exploit needs a narrow reset race. Still, update to 6.12.93+—Bluetooth shouldn’t be your weakest link. https://windowsforum.com/threads/cve-2026-63974-update-linux-bluetooth-to-kernel-6-12-93.439810/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #LinuxKernel #BluetoothSecurity #WindowsWsl #Cve202663974 https://t.co/CKtnq4IWuK

    Post summary

    CVE-2026-63974 poses a high‑severity risk to Linux Bluetooth; users are advised to patch to kernel 6.12.93 or newer.

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    1.3K followersView on X

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