CVE-2015-7504
high
CVSS v3
8.8
CVSS v4 NEW
—
VIR risk
8.8
Description
Heap-based buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU allows guest OS administrators to cause a denial of service (instance crash) or possibly execute arbitrary code via a series of packets in loopback mode.
Predictions
Exploit likelihood
82%
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
Debian Mixed 7 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:2.5+dfsg-1 |
| sid | Fixed | 1:2.5+dfsg-1 |
| forky | Fixed | 1:2.5+dfsg-1 |
| bullseye | Fixed | 1:2.5+dfsg-1 |
| bookworm | Fixed | 1:2.5+dfsg-1 |
| 8.0 | Affected | — |
| 7.0 | Affected | — |
References
- http://rhn.redhat.com/errata/RHSA-2015-2694.html
- http://rhn.redhat.com/errata/RHSA-2015-2695.html
- http://rhn.redhat.com/errata/RHSA-2015-2696.html
- http://www.debian.org/security/2016/dsa-3469
- http://www.debian.org/security/2016/dsa-3470
- http://www.debian.org/security/2016/dsa-3471
- http://www.openwall.com/lists/oss-security/2015/11/30/2
- http://www.securityfocus.com/bid/78227
- http://www.securitytracker.com/id/1034268
- http://xenbits.xen.org/xsa/advisory-162.html
- https://lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.html
- https://security.gentoo.org/glsa/201602-01
- https://security.gentoo.org/glsa/201604-03
- https://security-tracker.debian.org/tracker/CVE-2015-7504
CWEs
CWE-787
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.