Out-of-bounds Read in Qemu
CVE-2023-1544
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.
Vulnerability class: Buffer Overflow
EPSS: 0.003 (22.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Qemu
- Fedoraproject Fedora — versions 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (x_refsource_REDHAT, vdb-entry)
- patrick@puiterwijk.org (Patch, Mailing List, Issue Tracking, Vendor Advisory)
- patrick@puiterwijk.org (Patch, Mailing List, Third Party Advisory)
- patrick@puiterwijk.org
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-1544?
- CVE-2023-1544 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 6.0/10. Published 2023-03-23.
- How severe is CVE-2023-1544?
- Medium severity. CVSS v3 base score is 6.0 out of 10.
- Is CVE-2023-1544 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.