SUSE-SU-2021:2409-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2409-1

    SUSE-SU-2021:2409-1

    Published: 20 Jul 2021Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel

    Details: The SUSE Linux Enterprise 15 SP3 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-22555: A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c (bnc#1188116 ). - CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer that allows to obtain full root privileges (bsc#1188062). The following non-security bugs were fixed: - ceph: must hold snap_rwsem when filling inode for async create (bsc#1187927). - cgroup1: do not allow '\n' in renaming (bsc#1187972). - qla2xxx: synchronize rport dev_loss_tmo setting (bsc#1182470 bsc#1185486). - scsi: ufs: ufshcd-pltfrm depends on HAS_IOMEM (bsc#1187980). - usb: dwc3: Fix debugfs creation flow (git-fixes). - x86/pkru: Write hardware init value to PKRU when xstate is init (bsc#1152489). - x86/process: Check PF_KTHREAD and not current->mm for kernel threads (bsc#1152489).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20212409-1/, https://bugzilla.suse.com/1152489, https://bugzilla.suse.com/1182470, https://bugzilla.suse.com/1185486, https://bugzilla.suse.com/1187927, https://bugzilla.suse.com/1187972, https://bugzilla.suse.com/1187980, https://bugzilla.suse.com/1188062, https://bugzilla.suse.com/1188116, https://www.suse.com/security/cve/CVE-2021-22555, https://www.suse.com/security/cve/CVE-2021-33909

    Affected packages

    Package

    Name: kernel-azure

    Purl: pkg:rpm/suse/kernel-azure&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Public%20Cloud%2015%20SP3

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -5.3.18-38.14.1

    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-2021:2409-1 | CVE-DB