SUSE-SU-2021:2538-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2538-1

    SUSE-SU-2021:2538-1

    Published: 27 Jul 2021Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel (Live Patch 34 for SLE 12 SP3)

    Details: This update for the Linux Kernel 4.4.180-94_127 fixes several issues. The following security issues were fixed: - CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to andobtain full root privileges. (bsc#1188062) - CVE-2021-22555: Fixed an heap out-of-bounds write in net/netfilter/x_tables.c that could allow local provilege escalation. (bsc#1188116) - CVE-2020-36385: Fixed a use-after-free vulnerability reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called. (bnc#1187050)

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212538-1/, https://bugzilla.suse.com/1187052, https://bugzilla.suse.com/1188117, https://bugzilla.suse.com/1188257, https://www.suse.com/security/cve/CVE-2020-36385, https://www.suse.com/security/cve/CVE-2021-22555, https://www.suse.com/security/cve/CVE-2021-33909

    Affected packages

    Package

    Name: kgraft-patch-SLE12-SP4_Update_21

    Purl: pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_21&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3-2.1

    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-2021:2538-1 | CVE-DB