CVE-2015-7512: debian debian_linux
Vulnerability summary
CVE-2015-7512 is a critical (CVSS 9.0) vulnerability in debian debian_linux. EPSS estimates a 7.73% chance of exploitation in the next 30 days, higher than 94.6% of scored vulnerabilities.
Severe, CVSS 9 (NVD); no exploitation reported by the 5 checked sources; EPSS 8% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 18 · Related 11Timeline
- 08-01-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest NIC has a larger MTU, allows remote attackers to cause a denial of service (guest OS crash) or execute arbitrary code via a large packet.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
7.73%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.73% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat6 products
- enterprise_linux_desktop6.0
- enterprise_linux_eus6.7
- enterprise_linux_server6.0
- enterprise_linux_workstation6.0
- openstack5.0
Debian2 products
- qemu< 1:2.5+dfsg-1
- debian_linuxEOL7.0 | 8.0
Oracle1 product
- linuxEOL6
Qemu1 product
- qemu≤ 2.4.1 | 2.5.0:rc0 | 2.5.0:rc1 | 2.5.0:rc2
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.21
5 vendors · 11 products
References
17 links- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRMThird Party Advisory
- git.qemu.org?p=qemu.git%3Ba=commit%3Bh=8b98a2f07175d46c3f7217639bd5e03fX Refsource CONFIRM
