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CVE-2023-2861

CVE

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
February 18, 2026
Last Seen
June 9, 2026
API
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Severe DoS RCE Vulnerabilities in kvmtool Affect Multiple Ubuntu Releases74.0

A critical security flaw has been identified in kvmtool, affecting Ubuntu 22.04 LTS and its derivatives, including 20.04, 18.04, and 16.04 LTS. The vulnerabilities, tracked as CVE-2021-45464 and CVE-2023-2861, allow a malicious guest attacker to exploit memory management issues and improperly handle...

Multiple QEMU Vulnerabilities Affecting Ubuntu Systems57.8

On June 9, 2026, Ubuntu announced several vulnerabilities in QEMU affecting versions 14.04 LTS to 20.04 LTS. The vulnerabilities include denial of service risks and potential arbitrary code execution due to improper handling of iSCSI responses (CVE-2020-1711) and memory operations (CVE-2020-11947)....

CVE-2023-2861 and CVE-2025-53066: Access Control Vulnerabilities Identified37.1

CVE-2023-2861, published on December 6, 2023, details an improper access control issue in Qemu affecting special files. Additionally, CVE-2025-53066, published on October 21, 2025, highlights file permission modifications and improper access control with a CVSS base score of 7.1, impacting various s...

Public Exploits

Checking GitHub for proof-of-concept code…

CVE Details

Related Entities

DDoSDenial of ServiceZero-day ExploitData BreachUbuntuCVE-2026-2243CWE-200 - Exposure of Sensitive InformationCWE-125 - Out-of-bounds ReadCWE-787 - Out-of-bounds WriteCWE-190 - Integer Overflow Or WraparoundCWE-416 - Use After FreeCWE-476 - NULL Pointer Dereference