CVE-2015-7504: debian debian_linux Out-of-bounds Write
Vulnerability summary
CVE-2015-7504 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 0.64% chance of exploitation in the next 30 days, higher than 50.8% of scored vulnerabilities.
Not severe (CVSS 8.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 15 · Related 7Timeline
- 16-10-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 3 sources · 3 versions- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
0.64%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.64% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian2 products
- qemu< 1:2.5+dfsg-1
- debian_linuxEOL7.0 | 8.0
Ubuntu2 products
- qemu< 2.0.0+dfsg-2ubuntu1.21
- xen< 4.4.2-0ubuntu0.14.04.4
Qemu1 product
- qemu≤ 2.4.1 | 2.5.0:rc0 | 2.5.0:rc1 | 2.5.0:rc2
3 vendors · 5 products
References
18 links- www.openwall.com/lists/oss-security/2015/11/30/2Mailing ListX Refsource MLISTPatchThird Party Advisory
- lists.gnu.org/archive/html/qemu-devel/2015-11/msg06342.htmlMailing ListX Refsource MLISTPatchThird Party AdvisoryREPORT
- security.gentoo.org/glsa/201604-03Vendor AdvisoryX Refsource GENTOOPatchThird Party AdvisoryVDB Entry
Show all 18 references
- security.gentoo.org/glsa/201602-01Vendor AdvisoryX Refsource GENTOOPatchThird Party AdvisoryVDB Entry
