CVE-2021-43784
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
Moderate: runc security update
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1.0.3-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.0.3+ds1-1 |
| sid | Fixed | 1.0.3+ds1-1 |
| forky | Fixed | 1.0.3+ds1-1 |
| bullseye | Fixed | 1.0.0~rc93+ds1-5+deb11u4 |
| bookworm | Fixed | 1.0.3+ds1-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/opencontainers/runc | <1.0.3 | 1.0.3 |
| Go | github.com/opencontainers/runc | >=1.0.1-0.20211012131345-9c444070ec7b,<1.1.0 | 1.1.0 |
References
- https://access.redhat.com/errata/RHSA-2023:6380
- https://github.com/opencontainers/runc/security/advisories/GHSA-v95c-p5hm-xq8f
- https://nvd.nist.gov/vuln/detail/CVE-2021-43784
- https://github.com/opencontainers/runc/commit/9c444070ec7bb83995dbc0185da68284da71c554
- https://github.com/opencontainers/runc/commit/d72d057ba794164c3cce9451a00b72a78b25e1ae
- https://github.com/opencontainers/runc/commit/dde509df4e28cec33b3c99c6cda3d4fd5beafc77
- https://github.com/opencontainers/runc/commit/f50369af4b571e358f20b139eea52d612eb55eed
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2241
- https://github.com/opencontainers/runc
- https://lists.debian.org/debian-lts-announce/2021/12/msg00005.html
- https://lists.debian.org/debian-lts-announce/2024/02/msg00005.html
- https://pkg.go.dev/vuln/GO-2022-0274
- https://security-tracker.debian.org/tracker/CVE-2021-43784
- https://bugzilla.redhat.com/2029439
- https://bugzilla.redhat.com/2175721
- https://bugzilla.redhat.com/2178492
- https://bugzilla.redhat.com/2182883
- https://bugzilla.redhat.com/2182884
- https://errata.almalinux.org/9/ALSA-2023-6380.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.