CVE-2023-1513 Information disclosure in Linux kernel (KVM)

What is CVE-2023-1513?

CVE-2023-1513 is a low-severity vulnerability in Fedoraproject Fedora, published on 23 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A flaw was found in KVM. When calling the KVM_GET_DEBUGREGS ioctl, on 32-bit systems, there might be some uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak.

Weakness: CWE-665

Which versions are affected by CVE-2023-1513?

It affects 3 products.

Products include Fedoraproject Fedora, Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2023-1513?

Apply the vendor's patch.

Is CVE-2023-1513 being exploited?

There is no known exploitation of CVE-2023-1513 in the wild and no public exploit code.

Other vulnerabilities in Fedoraproject Fedora

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• CVE-2021-39226 Grafana Authentication Bypass Exploited Critical 9.8
• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-25931, DEBIAN-CVE-2023-1513, GHSA-48cj-44rg-fxc7, UBUNTU-CVE-2023-1513.