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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.

🗓️ 30 Jun 2024 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 12 Views

Libvirt memory leak occurs when querying SR-IOV PCI device capabilities due to not freeing virPCIVirtualFunction array.

Related
Detection
ReporterTitlePublishedViews
Family
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Tenable Nessus
AlmaLinux 9 : libvirt (ALSA-2023:3715)
26 Jun 202300:00
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AlmaLinux 8 : virt:rhel and virt-devel:rhel (ALSA-2023:3822)
29 Jun 202300:00
–nessus
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CentOS 8 : virt:rhel and virt-devel:rhel (CESA-2023:3822)
27 Jun 202300:00
–nessus
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Rocky Linux 8.6 [CIQ] Security Update: libiscsi / libiscsi-debuginfo / libiscsi-debugsource / etc Multiple Vulnerabilities (ciqsa-2026_0827)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: hivex / hivex-debuginfo / hivex-debugsource / hivex-devel / etc Multiple Vulnerabilities (ciqsa-2026_0828)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: netcf / netcf-debuginfo / netcf-debugsource / netcf-devel / etc Multiple Vulnerabilities (ciqsa-2026_0829)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: sgabios / sgabios-bin Multiple Vulnerabilities (ciqsa-2026_0830)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: seabios / seabios-bin / seavgabios-bin Multiple Vulnerabilities (ciqsa-2026_0831)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: libtpms / libtpms-debuginfo / libtpms-debugsource / libtpms-devel Multiple Vulnerabilities (ciqsa-2026_0832)
1 Oct 202600:00
–nessus
nessus
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Rocky Linux 8.6 [CIQ] Security Update: libnbd / libnbd-bash-completion / libnbd-debuginfo / etc Multiple Vulnerabilities (ciqsa-2026_0833)
1 Oct 202600:00
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30 Jun 2024 14:00Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.15.5
EPSS0.00253
SSVC
12