CVE-2016-2538: qemu Numeric Errors
Vulnerability summary
CVE-2016-2538 is a high (CVSS 7.1) Numeric Errors vulnerability in qemu. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 36.6% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 12 · Related 10Timeline
- 16-06-2016PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
Multiple integer overflows in the USB Net device emulator (hw/usb/dev-network.c) in QEMU before 2.5.1 allow local guest OS administrators to cause a denial of service (QEMU process crash) or obtain sensitive host memory information via a remote NDIS control message packet that is mishandled in the (1) rndis_query_response, (2) rndis_set_response, or (3) usb_net_handle_dataout function.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.42% 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.
Debian1 product
- qemu< 1:2.6+dfsg-1
Qemu1 product
- qemu≤ 2.5.0
Ubuntu1 product
- qemu< 2.0.0+dfsg-2ubuntu1.24 | < 1:2.5+dfsg-5ubuntu10.1
3 vendors · 3 products
References
13 links- bugzilla.redhat.com/show_bug.cgi?id=1303120X Refsource CONFIRM
