[release/1.7] Support for dropping inheritable capabilities #10469
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Signed-off-by: Derek McGowan <derek@mcg.dev>
estesp
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Jul 16, 2024
Mengkzhaoyun
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Aug 27, 2024
containerd 1.7.20 Welcome to the v1.7.20 release of containerd! The twentieth patch release for containerd 1.7 contains various fixes and updates. * Support for dropping inheritable capabilities ([#10469](containerd/containerd#10469)) * Make PodSandboxStatus friendlier to shim crashes ([#10461](containerd/containerd#10461)) * Handle empty DNSConfig differently than unspecified ([#10462](containerd/containerd#10462)) * Fix for `[cri] ttrpc: closed` during ListPodSandboxStats ([#10423](containerd/containerd#10423)) Please try out the release binaries and report any issues at https://github.com/containerd/containerd/issues. * Derek McGowan * Akihiro Suda * Phil Estes * Akhil Mohan * Bryant Biggs * Danny Canter * Davanum Srinivas * Mike Brown * Samuel Karp * Tim Hockin <details><summary>16 commits</summary> <p> * Prepare release notes for v1.7.20 ([#10481](containerd/containerd#10481)) * [`7f2d4cd97`](containerd/containerd@7f2d4cd) Prepare release notes for v1.7.20 * deps: Update otelgrpc ([#10413](containerd/containerd#10413)) * [`3a02c523d`](containerd/containerd@3a02c52) deps: Update otelgrpc * Make PodSandboxStatus friendlier to shim crashes ([#10461](containerd/containerd#10461)) * [`df86bdd5d`](containerd/containerd@df86bdd) CRI Sbserver: Make PodSandboxStatus friendlier to shim crashes * Handle empty DNSConfig differently than unspecified ([#10462](containerd/containerd#10462)) * [`209ee4f10`](containerd/containerd@209ee4f) CRI: An empty DNSConfig != unspecified * Support for dropping inheritable capabilities ([#10469](containerd/containerd#10469)) * [`ce65228af`](containerd/containerd@ce65228) Support for dropping inheritable capabilities * Fix for `[cri] ttrpc: closed` during ListPodSandboxStats ([#10423](containerd/containerd#10423)) * [`610498df7`](containerd/containerd@610498d) Fix for `[cri] ttrpc: closed` during ListPodSandboxStats * update to go1.21.12 / go1.22.5 ([#10426](containerd/containerd#10426)) * [`e61c7932e`](containerd/containerd@e61c793) update to go1.21.12 / go1.22.5 * errdefs: denote deprecation as a godoc comment ([#10424](containerd/containerd#10424)) * [`c7d5e430a`](containerd/containerd@c7d5e43) errdefs: denote deprecation as a godoc comment </p> </details> * **github.com/go-logr/logr** v1.2.4 -> v1.3.0 * **github.com/google/go-cmp** v0.5.9 -> v0.6.0 * **github.com/google/uuid** v1.3.1 -> v1.4.0 * **go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc** v0.45.0 -> v0.46.1 * **go.opentelemetry.io/otel** v1.19.0 -> v1.21.0 * **go.opentelemetry.io/otel/metric** v1.19.0 -> v1.21.0 * **go.opentelemetry.io/otel/sdk** v1.19.0 -> v1.21.0 * **go.opentelemetry.io/otel/trace** v1.19.0 -> v1.21.0 * **google.golang.org/genproto** e6e6cdab5c13 -> 989df2bf70f3 * **google.golang.org/genproto/googleapis/api** 007df8e322eb -> 83a465c0220f * **google.golang.org/genproto/googleapis/rpc** d307bd883b97 -> 995d672761c0 Previous release can be found at [v1.7.19](https://github.com/containerd/containerd/releases/tag/v1.7.19)
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Cherry pick for - #8356
The inheritable capabilities set should never be larger than the bounding capabilities set. When a base spec is provided with non-empty inheritable capabilities today, the container will fail to run when those capabilities are explicitly dropped. This issue is only seen when a base spec with inheritable capabilities is explicitly provided in the configuration file, the default spec already removed inheritable capabilities in GHSA-c9cp-9c75-9v8c. Since the container is unable to start with this setup, there is no security concern. It may be worth a discussion whether more should be done to warn users who may have set this in their configuration before the GHSA, whether through logging or our documentation.
The error seen when dropping the bounding capabilities to less than the inheritable capabilities is