CVE-2023-3019
MEDIUM severity · CVSS 6 · Use-after-free
6CVSS MEDIUM
Summary
A DMA reentrancy issue leading to a use-after-free error was found in the e1000e NIC emulation code in QEMU. This issue could allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=2222351 ↗
Additional information
- NVD record
- https://bugzilla.redhat.com/show_bug.cgi?id=2222351Patch
- https://access.redhat.com/errata/RHSA-2024:0135Advisory
- https://access.redhat.com/errata/RHSA-2024:0404Advisory
- https://access.redhat.com/errata/RHSA-2024:0569Advisory
- https://access.redhat.com/errata/RHSA-2024:2135
- https://access.redhat.com/security/cve/CVE-2023-3019Advisory