SUSE-SU-2021:2025-1

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    SUSE-SU-2021:2025-1

    Published: 18 Jun 2021Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP2)

    Details: This update for the Linux Kernel 5.3.18-22 fixes several issues. The following issues were fixed: - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-32399: Fixed a race condition when removing the HCI controller (bnc#1184611). - Fixed a data loss/data corruption that occurs if there is a write error on an md/raid array (bsc#1185680).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212025-1/, https://bugzilla.suse.com/1185847, https://bugzilla.suse.com/1185899, https://bugzilla.suse.com/1186285, https://www.suse.com/security/cve/CVE-2021-32399, https://www.suse.com/security/cve/CVE-2021-33034

    Affected packages

    Package

    Name: kgraft-patch-SLE12-SP4_Update_19

    Purl: pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_19&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5-2.2

    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
    SUSE-SU-2021:2025-1 | CVE-DB