CVE-2024-2494
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- CVE-2024-2494
CVE Details
| Release Date: | 2024-03-21 | |
| Impact: | Moderate | What is this? |
Description
A flaw was found in the RPC library APIs of libvirt. The RPC server deserialization code allocates memory for arrays before the non-negative length check is performed by the C API entry points. Passing a negative length to the g_new0 function results in a crash due to the negative length being treated as a huge positive number. This flaw allows a local, unprivileged user to perform a denial of service attack by causing the libvirt daemon to crash.
See more information about CVE-2024-2494 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 6.2 |
| Vector String: | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Version: | 3.0 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | High |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 8 (hivex) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libguestfs) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libguestfs-winsupport) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libiscsi) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libnbd) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libtpms) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libvirt) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libvirt-dbus) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (libvirt-python) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (nbdkit) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (netcf) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (perl-Sys-Virt) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (qemu-kvm) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (seabios) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (sgabios) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (supermin) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (swtpm) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 8 (virt-v2v) | ELSA-2024-3253 | 2024-05-30 |
| Oracle Linux version 9 (libvirt) | ELSA-2024-2560 | 2024-05-07 |
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