CVE-2024-26328

An issue was discovered in QEMU 7.1.0 through 8.2.1. register_vfs in hw/pci/pcie_sriov.c does not set NumVFs to PCI_SRIOV_TOTAL_VF, and thus interaction with hw/nvme/ctrl.c is mishandled.

Published: 2024-02-19 Last update: 2025-05-07 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2024-26328 is rated Low Risk (27.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.04%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-26328

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.07% 0.04% -0.03%
2 2025-11-18 0.04% 0.07% +0.03%
3 2025-05-08 — 0.04% —

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-26328

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.0 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.5 4.0 [email protected]
6.0 3.1 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.5 4.0 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2024-26328

OS Trackers for CVE-2024-26328

vendor priority summary link
alpine — CVE-2024-26328: 1 source package rows (qemu); 41 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 41. https://security.alpinelinux.org/vuln/CVE-2024-26328
debian unimportant CVE-2024-26328 unimportant priority: Debian including 1 source packages (qemu), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2024-26328
redhat low — https://access.redhat.com/security/cve/CVE-2024-26328
suse medium CVE-2024-26328 severity moderate: SUSE including 547 source package names (2.0.2-2.2.85:qemu-guest-agent-7.1.0-150500.49.12.1, 2.1.1-3.34:qemu-guest-agent-8.2.5-1.1, …), 1440 product×package rows across 55 product lines (Container suse/sl-micro/6.0/kvm-os-container, Container suse/sle-micro/kvm-5.5, … (55 product lines)): Known Not Affected 831, Fixed 378, Known Affected 231. https://www.suse.com/security/cve/CVE-2024-26328/
ubuntu medium CVE-2024-26328 medium priority: Ubuntu including 1 source packages (qemu), 9 status rows across 9 suites (bionic, focal, jammy, mantic, noble, oracular, trusty, upstream, xenial): not-affected 5, released 3, ignored 1. https://ubuntu.com/security/CVE-2024-26328

Affected software / configurations for CVE-2024-26328

Vendor Product Version Raw CPE
qemu qemu >= 7.1.0, <= 8.2.1 cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

References for CVE-2024-26328

cvelogic Threat Intelligence