CVE-2017-5579
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
Description
Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption and QEMU process crash) via a large number of device unplug operations.
Predictions
Exploit likelihood
65%
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | 8.0 | affected | |
| debian | bookworm | fixed | 1:2.8+dfsg-3 |
| debian | bullseye | fixed | 1:2.8+dfsg-3 |
| debian | forky | fixed | 1:2.8+dfsg-3 |
| debian | sid | fixed | 1:2.8+dfsg-3 |
| debian | trixie | fixed | 1:2.8+dfsg-3 |
References
- http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=8409dc884a201bf74b30a9d232b6bbdd00cb7e2b
- http://www.openwall.com/lists/oss-security/2017/01/24/8
- http://www.openwall.com/lists/oss-security/2017/01/25/3
- http://www.securityfocus.com/bid/95780
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
- https://security.gentoo.org/glsa/201702-28
- https://www.suse.com/security/cve/CVE-2017-5579.html
- https://security-tracker.debian.org/tracker/CVE-2017-5579
CWEs
CWE-401
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.