What’s Vulnerable › Vulnerabilities

CVE-2024-36011: Bluetooth: HCI: Fix potential null-ptr-deref

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-23 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Fix potential null-ptr-deref Fix potential null-ptr-deref in hci_le_big_sync_established_evt().

Affected products

• Linux kernel: from 6.4.16 before 6.5; from 6.5.3 before 6.6.31; from 6.7 before 6.8.10; 6.9-rc1, 6.9-rc2, 6.9-rc3, 6.9-rc4, 6.9-rc5, 6.9-rc6 (+1) — fixed in 6.5, 6.6.31, 6.8.10

How to fix

Upgrade to a fixed version: Linux kernel 6.5, 6.6.31, 6.8.10. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1f7ebb69c1d65732bcac2fda9d15421f76f01e81
• https://git.kernel.org/stable/c/9f3be61f55d4eedc20eedc56c0f04a5ce2b4a55a
• https://git.kernel.org/stable/c/d2706004a1b8b526592e823d7e52551b518a7941
• https://git.kernel.org/stable/c/1f7ebb69c1d65732bcac2fda9d15421f76f01e81
• https://git.kernel.org/stable/c/9f3be61f55d4eedc20eedc56c0f04a5ce2b4a55a
• https://git.kernel.org/stable/c/d2706004a1b8b526592e823d7e52551b518a7941

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