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Ubuntu Security Notice USN-5804-1

Posted Jan 13, 2023

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5804-1 - It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. Tamas Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, kernel, vulnerability

systems | linux, ubuntu

advisories | CVE-2022-3643, CVE-2022-42896, CVE-2022-43945, CVE-2022-45934

SHA-256 | eaaf2b382821a29f0cd1289ad47e022031258f5e6b7b5ad1a6f618862dfb5a67

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