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moby/hack/dockerfile
Sebastiaan van Stijn aad7bcedd2 Dockerfile: update runc binary to v1.2.4
This is the fourth patch release of the 1.2.z release branch of runc. It
includes a fix for a regression introduced in 1.2.0 related to the
default device list.

- Re-add tun/tap devices to built-in allowed devices lists.

 In runc 1.2.0 we removed these devices from the default allow-list
 (which were added seemingly by accident early in Docker's history) as
 a precaution in order to try to reduce the attack surface of device
 inodes available to most containers. At the time we thought
 that the vast majority of users using tun/tap would already be
 specifying what devices they need (such as by using --device with
 Docker/Podman) as opposed to doing the mknod manually, and thus
 there would've been no user-visible change.

 Unfortunately, it seems that this regressed a noticeable number of
 users (and not all higher-level tools provide easy ways to specify
 devices to allow) and so this change needed to be reverted. Users
 that do not need these devices are recommended to explicitly disable
 them by adding deny rules in their container configuration.

full diff: https://github.com/opencontainers/runc/compare/v1.2.3...v1.2.4
release notes: https://github.com/opencontainers/runc/releases/tag/v1.2.4

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2025-01-08 19:06:02 +01:00
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