========================================================================== Ubuntu Security Notice USN-5753-1 December 01, 2022
snapd vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM Summary: snapd could be made to run programs as an administrator. Software Description: - snapd: Daemon and tooling that enable snap packages Details: The Qualys Research Team discovered that a race condition existed in the snapd snap-confine binary when preparing the private /tmp mount for a snap. A local attacker could possibly use this issue to escalate privileges and execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: snapd 2.57.5+22.10ubuntu0.1 Ubuntu 22.04 LTS: snapd 2.57.5+22.04ubuntu0.1 Ubuntu 20.04 LTS: snapd 2.57.5+20.04ubuntu0.1 Ubuntu 18.04 LTS: snapd 2.57.5+18.04ubuntu0.1 Ubuntu 16.04 ESM: snapd 2.54.3+16.04.0ubuntu0.1~esm5 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5753-1 CVE-2022-3328 Package Information: https://launchpad.net/ubuntu/+source/snapd/2.57.5+22.10ubuntu0.1 https://launchpad.net/ubuntu/+source/snapd/2.57.5+22.04ubuntu0.1 https://launchpad.net/ubuntu/+source/snapd/2.57.5+20.04ubuntu0.1 https://launchpad.net/ubuntu/+source/snapd/2.57.5+18.04ubuntu0.1
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