CVE-2023-3019: Qemu: e1000e: heap use-after-free in e1000e_write_packet_to_guest()
First published: Wed Jul 12 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| QEMU qemu | ||
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| redhat/qemu-kvm | <8.2.0 | 8.2.0 |
| QEMU qemu | <8.2.0 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-3019
- https://bugzilla.redhat.com/show_bug.cgi?id=2222351
- https://security.netapp.com/advisory/ntap-20230831-0005/
- https://gitlab.com/qemu-project/qemu/-/issues/1543
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=59243
- https://lists.nongnu.org/archive/html/qemu-devel/2023-05/msg08310.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2222352
- https://access.redhat.com/errata/RHSA-2024:0135
- https://access.redhat.com/errata/RHSA-2024:0404
- https://access.redhat.com/errata/RHSA-2024:0569
- https://gitlab.com/qemu-project/qemu/-/commit/7d0fefdf81f5973334c344f6b8e1896c309dff66
- https://gitlab.com/qemu-project/qemu/-/commit/9050f976e447444ea6ee2ba12c9f77e4b0dc54bc
- https://access.redhat.com/errata/RHSA-2024:2135
Frequently Asked Questions
What is the severity of CVE-2023-3019?
The severity of CVE-2023-3019 is medium.
What is the affected software for CVE-2023-3019?
The affected software for CVE-2023-3019 includes QEMU and Red Hat Enterprise Linux 8.0 and 9.0.
How does CVE-2023-3019 impact the system?
CVE-2023-3019 can allow a privileged guest user to crash the QEMU process on the host, resulting in a denial of service.
How can I fix CVE-2023-3019?
To fix CVE-2023-3019, users should update to the latest version of QEMU and apply any patches or updates provided by the vendor.
Where can I find more information about CVE-2023-3019?
You can find more information about CVE-2023-3019 on the official QEMU project gitlab, Chromium OSS-Fuzz issues, and the QEMU development mailing list.
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