Aug. 14, 2023, 5:16 p.m. |

Packet Storm packetstormsecurity.com

Ubuntu Security Notice 6283-1 - Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service. Zheng Zhang discovered that the device-mapper implementation in the Linux kernel did not properly handle locking during table_clear operations. A local attacker could use this to cause a denial of service.

bluetooth denial of service device handling hci implementation kernel linux linux kernel notice permissions security security notice service sockets subsystem ubuntu usn

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