CVE-2016-6888
medium
CVSS v3
4.4
CVSS v4 NEW
โ
VIR risk
4.4
Description
Integer overflow in the net_tx_pkt_init function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (QEMU process crash) via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference.
Predictions
Exploit likelihood
44%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 |
|---|---|---|
| โ | Affected | โ |
Debian Mixed 6 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:2.6+dfsg-3.1 |
| sid | Fixed | 1:2.6+dfsg-3.1 |
| forky | Fixed | 1:2.6+dfsg-3.1 |
| bullseye | Fixed | 1:2.6+dfsg-3.1 |
| bookworm | Fixed | 1:2.6+dfsg-3.1 |
| 8.0 | Affected | โ |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 7.0 | Not affected | โ |
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c
- http://www.openwall.com/lists/oss-security/2016/08/19/10
- http://www.openwall.com/lists/oss-security/2016/08/19/6
- http://www.securityfocus.com/bid/92556
- https://access.redhat.com/errata/RHSA-2017:2392
- https://access.redhat.com/errata/RHSA-2017:2408
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.html
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.html
- https://security.gentoo.org/glsa/201609-01
- https://www.suse.com/security/cve/CVE-2016-6888.html
- https://security-tracker.debian.org/tracker/CVE-2016-6888
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.