CVE-2015-8743

high

Published 2016-12-29 · Modified 2026-05-06

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

7.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.1

Description

QEMU (aka Quick Emulator) built with the NE2000 device emulation support is vulnerable to an OOB r/w access issue. It could occur while performing 'ioport' r/w operations. A privileged (CAP_SYS_RAWIO) user/process could use this flaw to leak or corrupt QEMU memory bytes.

Predictions

Exploit likelihood

70%

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 with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	7.0	affected
debian	8.0	affected
debian	bookworm	fixed	`1:2.5+dfsg-2`
debian	bullseye	fixed	`1:2.5+dfsg-2`
debian	forky	fixed	`1:2.5+dfsg-2`
debian	sid	fixed	`1:2.5+dfsg-2`
debian	trixie	fixed	`1:2.5+dfsg-2`

Application impact

Vendor	Product	Versions	Fixed
qemu	qemu	`{"endIncluding":"2.5.1"}`

References

CWEs

CWE-125 CWE-787

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.