RLSA-2022:6437

    Dashboard / Vulnerabilities / RLSA-2022:6437

    RLSA-2022:6437

    Published: 13 Sept 2022Last Modified: 4 Feb 2026

    Summary: Moderate: kernel-rt security and bug fix update

    Details: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * Incomplete cleanup of multi-core shared buffers (aka SBDR) (CVE-2022-21123) * Incomplete cleanup of microarchitectural fill buffers (aka SBDS) (CVE-2022-21125) * Incomplete cleanup in specific special register write operations (aka DRPW) (CVE-2022-21166) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Bug Fix(es): * The latest Rocky Linux 8.6.z3 kernel changes need to be merged into the RT source tree to keep source parity between the two kernels. (BZ#2111112)

    References: https://errata.rockylinux.org/RLSA-2022:6437, https://bugzilla.redhat.com/show_bug.cgi?id=2090237, https://bugzilla.redhat.com/show_bug.cgi?id=2090240, https://bugzilla.redhat.com/show_bug.cgi?id=2090241

    Affected packages

    Package

    Name: kernel-rt

    Purl: pkg:rpm/rocky-linux/kernel-rt?distro=rocky-linux-8-6-legacy&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:4.18.0-372.26.1.rt7.183.el8_6

    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
    RLSA-2022:6437 | CVE-DB