UBUNTU-CVE-2025-54518

    Dashboard / Vulnerabilities / UBUNTU-CVE-2025-54518

    UBUNTU-CVE-2025-54518

    Published: 15 May 2026Last Modified: 7 Sept 2026
    Upstream:
    CVE-2025-54518
    Aliases:
    USN-8566-1
    USN-8567-1
    USN-8568-1

    Summary:

    Details: Improper isolation of shared resources within the CPU operation cache on Zen 2-based products could allow an attacker to corrupt instructions executed at a different privilege level, potentially resulting in privilege escalation.

    References: https://ubuntu.com/security/CVE-2025-54518, https://www.cve.org/CVERecord?id=CVE-2025-54518, https://xenbits.xen.org/xsa/advisory-490.html, https://www.amd.com/en/resources/product-security/bulletin/amd-sb-7052.html, https://git.kernel.org/linus/c21b90f77687075115d989e53a8ec5e2bb427ab1, https://ubuntu.com/security/notices/USN-8566-1, https://ubuntu.com/security/notices/USN-8568-1, https://ubuntu.com/security/notices/USN-8569-1, https://ubuntu.com/security/notices/USN-8567-1, https://ubuntu.com/security/notices/USN-8574-1, https://ubuntu.com/security/notices/USN-8575-1, https://ubuntu.com/security/notices/USN-8576-1, https://ubuntu.com/security/notices/USN-8593-1, https://ubuntu.com/security/notices/USN-8574-2, https://ubuntu.com/security/notices/USN-8595-1, https://ubuntu.com/security/notices/USN-8596-1, https://ubuntu.com/security/notices/USN-8575-2, https://ubuntu.com/security/notices/USN-8576-2, https://ubuntu.com/security/notices/USN-8597-1, https://ubuntu.com/security/notices/USN-8603-1, https://ubuntu.com/security/notices/USN-8595-2, https://ubuntu.com/security/notices/USN-8606-1, https://ubuntu.com/security/notices/USN-8607-1, https://ubuntu.com/security/notices/USN-8608-1, https://ubuntu.com/security/notices/USN-8609-1, https://ubuntu.com/security/notices/USN-8575-3, https://ubuntu.com/security/notices/USN-8610-1, https://ubuntu.com/security/notices/USN-8618-1, https://ubuntu.com/security/notices/USN-8574-3, https://ubuntu.com/security/notices/USN-8595-3, https://ubuntu.com/security/notices/USN-8619-1, https://ubuntu.com/security/notices/USN-8620-1, https://ubuntu.com/security/notices/USN-8620-2, https://ubuntu.com/security/notices/USN-8620-3, https://ubuntu.com/security/notices/USN-8620-4, https://ubuntu.com/security/notices/USN-8663-1, https://ubuntu.com/security/notices/USN-8664-1, https://ubuntu.com/security/notices/USN-8665-1, https://ubuntu.com/security/notices/USN-8668-1, https://ubuntu.com/security/notices/USN-8728-1

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=esm-infra-legacy%2Ftrusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.11.0-12.19

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High