CVE-2024-26327: qemu Out-of-bounds Write
Vulnerability summary
CVE-2024-26327 is a medium (CVSS 5.3) Out-of-bounds Write vulnerability in qemu. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 48.5% of scored vulnerabilities.
Not severe (CVSS 5.3, adjacent network); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 2Timeline
- 19-02-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c mishandles the situation where a guest writes NumVFs greater than TotalVFs, leading to a buffer overflow in VF implementations.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.3MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.60%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.60% 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: adjacent network, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- qemu< 1:7.2+dfsg-7+deb12u6 | < 1:8.2.3+ds-1
Qemu1 product
- qemu≥ 7.1.0, ≤ 8.2.1
Ubuntu1 product
- qemu< 1:8.2.2+ds-0ubuntu1.2
3 vendors · 3 products
References
8 links- security.netapp.com/advisory/ntap-20240419-0010/Third Party Advisory
