Ubuntu Security Update USN-6523-1: u-boot-nezha vulnerability

[LinuxBot]

It was discovered that U-Boot incorrectly handled certain USB DFU download setup packets. A local attacker could use this issue to cause U-Boot to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-2347) Nicolas Bidron and Nicolas Guigo discovered that U-Boot incorrectly handled certain fragmented IP packets. A local attacker could use this issue to cause U-Boot to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-30552, CVE-2022-30790)

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