vulnerability
Ubuntu: USN-6954-1 (CVE-2023-6693): QEMU vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:L/Au:S/C:P/I:P/A:P) | 01/02/2024 | 08/14/2024 | 01/28/2025 |
Severity
4
CVSS
(AV:L/AC:L/Au:S/C:P/I:P/A:P)
Published
01/02/2024
Added
08/14/2024
Modified
01/28/2025
Description
A stack based buffer overflow was found in the virtio-net device of QEMU. This issue occurs when flushing TX in the virtio_net_flush_tx function if guest features VIRTIO_NET_F_HASH_REPORT, VIRTIO_F_VERSION_1 and VIRTIO_NET_F_MRG_RXBUF are enabled. This could allow a malicious user to overwrite local variables allocated on the stack. Specifically, the `out_sg` variable could be used to read a part of process memory and send it to the wire, causing an information leak.
Solution(s)
ubuntu-upgrade-qemu-systemubuntu-upgrade-qemu-system-armubuntu-upgrade-qemu-system-mipsubuntu-upgrade-qemu-system-miscubuntu-upgrade-qemu-system-ppcubuntu-upgrade-qemu-system-s390xubuntu-upgrade-qemu-system-sparcubuntu-upgrade-qemu-system-x86-xen
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