Medium [CVE-2024-8235] Libvirt: crash of virtinterfaced via virconnectlistinterfaces
This medium-severity Red Hat Linux advisory covers CVE-2024-8235 affecting Red Hat Enterprise Linux 9, Red Hat Enterprise Linux 10, Red Hat package: libvirt.
Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.
VulniPulse record published
Summary
A flaw was found in libvirt. A refactor of the code fetching the list of interfaces for multiple APIs introduced a corner case on platforms where allocating 0 bytes of memory results in a NULL pointer.
This corner case would lead to a NULL-pointer dereference and subsequent crash of virtinterfaced. This issue could allow clients connecting to the read-only socket to crash the virtinterfaced daemon.
All versions of libvirt as shipped in Red Hat Enterprise Linux prior to RHEL-9.5 are unaffected by this CVE. Red Hat severity: Moderate — CVSS 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
Weakness: CWE-476. Affected Red Hat products: Red Hat Enterprise Linux 9; Red Hat Enterprise Linux 10.
Red Hat fixing advisory: RHSA-2024:9128.
Affected products named by the advisory: Red Hat package: libvirt.
Is CVE-2024-8235 exploited?
No exploitation is reported in the sources VulniPulse tracks: CVE-2024-8235 is not in the CISA KEV catalog (checked ) and this advisory does not report exploitation. That is not proof the vulnerability cannot be exploited.
How do I fix CVE-2024-8235?
Upgrade to a fixed release named by Red Hat:
- libvirt-0:10.5.0-7.el9_5
- RHSA-2024:9128
Confirm against the vendor advisory before you patch.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
- libvirt-0:10.5.0-7.el9_5
- RHSA-2024:9128
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
Mitigation
Upgrade to a fixed release: libvirt-0:10.5.0-7.el9_5, RHSA-2024:9128. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 5 days ago·verify at source
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