Buffer overflow in Qemu
CVE-2015-7295
hw/virtio/virtio.c in the Virtual Network Device (virtio-net) support in QEMU, when big or mergeable receive buffers are not supported, allows remote attackers to cause a denial of service (guest network consumption) via a flood of jumbo frames on the (1) tuntap or (2) macvtap interface.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.049 (91.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.049 · newest: 0.049 · change: 0.000
Affected products
- Qemu
- Debian Linux — versions 7.0, 8.0
- Fedoraproject Fedora — versions 21, 22
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2015/09/18/9 (mailing-list, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/82672 (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2015/09/18/5 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-October/169624.html (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-October/169802.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2016/dsa-3469 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2016/dsa-3470 (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2015-October/169767.html (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2016/dsa-3471 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201602-01 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2015-7295?
- CVE-2015-7295 is a vulnerability in Qemu, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-11-09.
- Is CVE-2015-7295 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.