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Ubuntu Security Notice USN-7474-1
May 01, 2025

docker.io vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Docker.

Software Description:
- docker.io: reusable Go packages included with Docker

Details:

Cory Snider discovered that Docker incorrectly handled networking packet
encapsulation. An attacker could use this issue to inject internet
packets in established connection, possibly causing a denial of service or
bypassing firewall protections. This issue only affected Ubuntu 22.04 LTS,
Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS. (CVE-2023-28840, CVE-2023-28841,
CVE-2023-28842)

Rory McNamara discovered that Docker incorrectly handled cache in the
BuildKit toolkit. An attacker could possibly use this issue to expose
sensitive information. (CVE-2024-23651)

It was discovered that Docker incorrectly handled parallel operations in
some circumstances, which could possibly lead to undefined behavior.
(CVE-2024-36621, CVE-2024-36623)

Rory McNamara discovered that Docker incorrectly verified file paths during
a certain command in the BuildKit toolkit. An attacker could possibly use
this issue to delete arbitrary files from the system. (CVE-2024-23652)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
   golang-github-docker-docker-dev  20.10.25+dfsg1-2ubuntu1+esm2
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   golang-github-docker-docker-dev  20.10.21-0ubuntu1~22.04.7+esm2
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   golang-github-docker-docker-dev  20.10.21-0ubuntu1~20.04.6+esm2
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   docker.io                       20.10.21-0ubuntu1~18.04.3+esm3
                                   Available with Ubuntu Pro
   golang-github-docker-docker-dev  20.10.21-0ubuntu1~18.04.3+esm3
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-7474-1
   CVE-2023-28840, CVE-2023-28841, CVE-2023-28842, CVE-2024-23651,
   CVE-2024-23652, CVE-2024-36621, CVE-2024-36623