CVE-2018-15594

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    CVE-2018-15594

    Published: 20 Aug 2018Last Modified: 15 Mar 2026

    Summary:

    Details: arch/x86/kernel/paravirt.c in the Linux kernel before 4.18.1 mishandles certain indirect calls, which makes it easier for attackers to conduct Spectre-v2 attacks against paravirtual guests.

    References: http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html, https://twitter.com/grsecurity/status/1029324426142199808, https://usn.ubuntu.com/3776-1/, https://usn.ubuntu.com/3776-2/, https://usn.ubuntu.com/3777-1/, https://usn.ubuntu.com/3777-3/, http://www.securityfocus.com/bid/105120, http://www.securitytracker.com/id/1041601, https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1, https://usn.ubuntu.com/3777-2/, https://www.debian.org/security/2018/dsa-4308, https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html, https://usn.ubuntu.com/3775-1/, https://usn.ubuntu.com/3775-2/, https://access.redhat.com/errata/RHSA-2019:2029, https://access.redhat.com/errata/RHSA-2019:2043, https://github.com/torvalds/linux/commit/5800dc5c19f34e6e03b5adab1282535cb102fafd, http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5800dc5c19f34e6e03b5adab1282535cb102fafd

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    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
    CVE-2018-15594 | CVE-DB