CVE-2016-6888
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…
Does this matter?
Lower severity and a low EPSS score (0.40%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.4 MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.40% probability · 34th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- qemu/qemu · debian/debian linux · redhat/virtualization · redhat/openstack
- Source
- cve@mitre.org
EPSS 0.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c
- http://www.openwall.com/lists/oss-security/2016/08/19/10Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92556Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.htmlPatch, Third Party Advisory
- https://security.gentoo.org/glsa/201609-01Third Party Advisory
- http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=47882fa4975bf0b58dd74474329fdd7154e8f04c
- http://www.openwall.com/lists/oss-security/2016/08/19/10Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/08/19/6Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92556Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:2392Third Party Advisory
- https://access.redhat.com/errata/RHSA-2017:2408Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/11/msg00038.htmlMailing List, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2016-08/msg03176.htmlPatch, Third Party Advisory
- https://security.gentoo.org/glsa/201609-01Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.