CVE-2023-1544

Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()

Description

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.

Categories

6.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Vendor Advisory redhat.com
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/security/cve/CVE-2023-1544 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2180364 patch mailing list vendor advisory issue tracking
https://lists.nongnu.org/archive/html/qemu-devel/2023-03/msg00206.html patch mailing list third party advisory
https://security.netapp.com/advisory/ntap-20230511-0005/

Frequently Asked Questions

What is the severity of CVE-2023-1544?
CVE-2023-1544 has been scored as a medium severity vulnerability.
How to fix CVE-2023-1544?
To fix CVE-2023-1544, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-1544 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-1544 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-1544?
CVE-2023-1544 affects .
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