CVE-2022-3821
medium
CVSS v3
—
CVSS v4 NEW
—
VIR risk
5.5
Description
An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
Predictions
Exploit likelihood
20%
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
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 251.3-1 |
| sid | Fixed | 251.3-1 |
| forky | Fixed | 251.3-1 |
| bullseye | Fixed | 247.3-7+deb11u2 |
| bookworm | Fixed | 251.3-1 |
Red Hat Fixed 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
| 8 | Fixed | — |
Rocky Linux Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 9 | Fixed | — |
References
- https://access.redhat.com/errata/RHSA-2023:0336
- https://www.suse.com/security/cve/CVE-2022-3821.html
- https://errata.rockylinux.org/RLSA-2023:0336
- https://security-tracker.debian.org/tracker/CVE-2022-3821
- https://access.redhat.com/errata/RHSA-2023:0100
- https://bugzilla.redhat.com/2139327
- https://errata.almalinux.org/8/ALSA-2023-0100.html
- https://errata.almalinux.org/9/ALSA-2023-0336.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.