What’s Vulnerable › Vulnerabilities

CVE-2024-1441: Libvirt: off-by-one error in udevlistinterfacesbystatus()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-03-11 · updated 2026-06-17
• Weakness: CWE-193

Description

An off-by-one error flaw was found in the udevListInterfacesByStatus() function in libvirt when the number of interfaces exceeds the size of the `names` array. This issue can be reproduced by sending specially crafted data to the libvirt daemon, allowing an unprivileged client to perform a denial of service attack by causing the libvirt daemon to crash.

Affected products

• Red Hat Enterprise Linux 8: all versions
• Red Hat Enterprise Linux 8 Advanced Virtualization: all versions
• Red Hat Enterprise Linux 9: all versions — fixed in 0:10.0.0-6.2.el9_4

How to fix

Upgrade to a fixed version: Red Hat Enterprise Linux 9 0:10.0.0-6.2.el9_4. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2024:2560
• https://access.redhat.com/security/cve/CVE-2024-1441
• https://bugzilla.redhat.com/show_bug.cgi?id=2263841
• https://access.redhat.com/errata/RHSA-2024:2560
• https://access.redhat.com/security/cve/CVE-2024-1441
• https://bugzilla.redhat.com/show_bug.cgi?id=2263841
• https://lists.debian.org/debian-lts-announce/2024/04/msg00000.html
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/45FFKU3LODT345LAB5T4XZA5WKYMXJYU/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/E6MVZO5GXDB7RHY6MS3ZXES3HPK34P3A/
• https://security.netapp.com/advisory/ntap-20250411-0003/

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