CVE-2023-2700: fedoraproject fedora
Vulnerability summary
CVE-2023-2700 is a medium (CVSS 5.5) vulnerability in fedoraproject fedora. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.9% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2 · Related 2Timeline
- 15-05-2023PublishedVulnerability first disclosed.
- 28-01-2025Last modifiedVulnerability information updated.
Description
A vulnerability was found in libvirt. This security flaw ouccers due to repeatedly querying an SR-IOV PCI device's capabilities that exposes a memory leak caused by a failure to free the virPCIVirtualFunction array within the parent struct's g_autoptr cleanup.
CVSS metrics
5 scores · 5 sources · 1 version- OSV · Red hatEcosystem advisory · calculated6.3MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.25% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Redhat194 products
- enterprise_linux8.0 | 9.0
- libvirt4.5.0
- hivex< 0:1.3.18-23.module+el8.8.0+16781+9f4724c2 | < 0:1.3.18-23.module+el8.6.0+14480+c0a3aa0f
- hivex-debuginfo< 0:1.3.18-23.module+el8.8.0+16781+9f4724c2 | < 0:1.3.18-23.module+el8.6.0+14480+c0a3aa0f
- hivex-debugsource< 0:1.3.18-23.module+el8.8.0+16781+9f4724c2 | < 0:1.3.18-23.module+el8.6.0+14480+c0a3aa0f
Opensuse3 products
- libvirt&distro=openSUSE Leap 15.4< 8.0.0-150400.7.6.1
- libvirt&distro=openSUSE Leap 15.5< 9.0.0-150500.6.3.1
- libvirt&distro=openSUSE Leap Micro 5.3< 8.0.0-150400.7.6.1
Debian1 product
- libvirt< 9.0.0-4
Fedoraproject1 product
- fedoraEOL38
Ubuntu1 product
- libvirt< 8.0.0-1ubuntu7.5
5 vendors · 200 products · Showing 200 of 245
References
30 links- lists.fedoraproject.org/archives/…Vendor Advisory