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Ubuntu Security Notice USN-6439-2

Posted Oct 24, 2023

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6439-2 - It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service. Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service.

tags | advisory, remote, denial of service, kernel, local

systems | linux, ubuntu

advisories | CVE-2023-1206, CVE-2023-31083, CVE-2023-34319, CVE-2023-3772, CVE-2023-42752, CVE-2023-42753, CVE-2023-42755, CVE-2023-4622, CVE-2023-4623, CVE-2023-4881, CVE-2023-4921

SHA-256 | 2fd25e40051d1ba2bbf46094a9e3c568101d4401e9c1c5f7d1348688c66cd0a2

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