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Ubuntu Security Notice USN-5000-2

Posted Jun 27, 2021

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5000-2 - USN-5000-1 fixed vulnerabilities in the Linux kernel for Ubuntu 20.04 LTS and the Linux HWE kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux KVM kernel for Ubuntu 20.04 LTS. Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local, vulnerability, protocol

systems | linux, ubuntu

advisories | CVE-2020-24586, CVE-2020-24587, CVE-2020-24588, CVE-2020-26139, CVE-2020-26141, CVE-2020-26145, CVE-2020-26147, CVE-2021-23133, CVE-2021-23134, CVE-2021-31829, CVE-2021-32399, CVE-2021-33034, CVE-2021-33200, CVE-2021-3506, CVE-2021-3609

SHA-256 | 24cb2b08987dbf402e7352676baccf4addc89319c209a6642e849c6e40814e3f

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