CVE-2017-9461
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
Description
smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
Predictions
Exploit likelihood
75%
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
Red Hat Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| 7.0 | Affected | — |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 2:4.5.6+dfsg-1 |
| sid | Fixed | 2:4.5.6+dfsg-1 |
| forky | Fixed | 2:4.5.6+dfsg-1 |
| bullseye | Fixed | 2:4.5.6+dfsg-1 |
| bookworm | Fixed | 2:4.5.6+dfsg-1 |
| 8.0 | Affected | — |
References
- http://www.securityfocus.com/bid/99455
- https://access.redhat.com/errata/RHSA-2017:1950
- https://access.redhat.com/errata/RHSA-2017:2338
- https://access.redhat.com/errata/RHSA-2017:2778
- https://bugs.debian.org/864291
- https://bugzilla.samba.org/show_bug.cgi?id=12572
- https://git.samba.org/?p=samba.git%3Ba=commit%3Bh=10c3e3923022485c720f322ca4f0aca5d7501310
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- https://security-tracker.debian.org/tracker/CVE-2017-9461
CWEs
CWE-835
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.