#VU87161 Stack-based buffer overflow in QEMU - CVE-2023-6693

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Main Vulnerability Database Vulnerabilities #VU87161

#VU87161 Stack-based buffer overflow in QEMU - CVE-2023-6693

Published: March 6, 2024


Vulnerability identifier: #VU87161
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-6693
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
QEMU
Software vendor:
QEMU

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error 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. A local user can trigger a stack based buffer overflow and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links