Ubuntu Security Notice 5267-3 - USN-5267-1 fixed vulnerabilities in the Linux kernel. This update provides the corresponding updates for the Linux kernel for Raspberry Pi devices. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
4a5754d3205b26805abdee8471083dc8dc84e0eb92a3e64f7fad52257c035f4cUbuntu Security Notice 5267-2 - USN-5267-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that caused the kernel to freeze when accessing CIFS shares in some situations. This update fixes the problem.
1fa802d233f94d6e25c95108667119d85ca0d36cae93f6c46bb286febc0cf8daUbuntu Security Notice 5268-1 - Keyu Man discovered that the ICMP implementation in the Linux kernel did not properly handle received ICMP error packets. A remote attacker could use this to facilitate attacks on UDP based services that depend on source port randomization. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
b8ba9e5c3e6439e47e28cee9eee4587c8f0d9fce5daef2974af08b9d6e1a91e8Ubuntu Security Notice 5267-1 - It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Likang Luo discovered that a race condition existed in the Bluetooth subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
60617003df6660f9983fff1c2b80b1947ece89928c93e406ca26afce7c3ebf67Ubuntu Security Notice 5265-1 - Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service. It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.
7e0f9271a061ce26f953885a06bf885e09f3bf96703739534c4177eca1b1fff1
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