SUSE-SU-2022:2827-1

    Dashboard / Vulnerabilities / SUSE-SU-2022:2827-1

    SUSE-SU-2022:2827-1

    Published: 16 Aug 2022Last Modified: 2 May 2025

    Summary: Security update for the Linux Kernel

    Details: The SUSE Linux Enterprise 15 SP1 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2020-36557: Fixed race condition between the VT_DISALLOCATE ioctl and closing/opening of ttys that could lead to a use-after-free (bnc#1201429). - CVE-2020-36558: Fixed race condition involving VT_RESIZEX that could lead to a NULL pointer dereference and general protection fault (bnc#1200910). - CVE-2021-33655: Fixed out of bounds write with ioctl FBIOPUT_VSCREENINFO (bnc#1201635). - CVE-2021-33656: Fixed out of bounds write with ioctl PIO_FONT (bnc#1201636). - CVE-2022-1462: Fixed an out-of-bounds read flaw in the TeleTYpe subsystem (bnc#1198829). - CVE-2022-20166: Fixed possible out of bounds write due to sprintf unsafety that could cause local escalation of privilege (bnc#1200598). - CVE-2022-36946: Fixed incorrect packet truncation in nfqnl_mangle() that could lead to remote DoS (bnc#1201940). The following non-security bugs were fixed: - cifs: On cifs_reconnect, resolve the hostname again (bsc#1201926). - cifs: Simplify reconnect code when dfs upcall is enabled (bsc#1201926). - cifs: To match file servers, make sure the server hostname matches (bsc#1201926). - cifs: fix memory leak of smb3_fs_context_dup::server_hostname (bsc#1201926). - cifs: set a minimum of 120s for next dns resolution (bsc#1201926). - cifs: use the expiry output of dns_query to schedule next resolution (bsc#1201926). - kvm: emulate: Fix SETcc emulation function offsets with SLS (bsc#1201930). - kvm: emulate: do not adjust size of fastop and setcc subroutines (bsc#1201930). - rpm/*.spec.in: remove backtick usage - rpm/constraints.in: skip SLOW_DISK workers for kernel-source - rpm/kernel-obs-build.spec.in: Also depend on dracut-systemd (bsc#1195775) - rpm/kernel-obs-build.spec.in: add systemd-initrd and terminfo dracut module (bsc#1195775) - rpm/kernel-obs-build.spec.in: use default dracut modules (bsc#1195926, bsc#1198484) - x86/entry: Remove skip_r11rcx (bsc#1201644).

    References: https://www.suse.com/support/update/announcement/2022/suse-su-20222827-1/, https://bugzilla.suse.com/1195775, https://bugzilla.suse.com/1195926, https://bugzilla.suse.com/1198484, https://bugzilla.suse.com/1198829, https://bugzilla.suse.com/1200442, https://bugzilla.suse.com/1200598, https://bugzilla.suse.com/1200910, https://bugzilla.suse.com/1201429, https://bugzilla.suse.com/1201635, https://bugzilla.suse.com/1201636, https://bugzilla.suse.com/1201644, https://bugzilla.suse.com/1201926, https://bugzilla.suse.com/1201930, https://bugzilla.suse.com/1201940, https://www.suse.com/security/cve/CVE-2020-36557, https://www.suse.com/security/cve/CVE-2020-36558, https://www.suse.com/security/cve/CVE-2021-33655, https://www.suse.com/security/cve/CVE-2021-33656, https://www.suse.com/security/cve/CVE-2022-1462, https://www.suse.com/security/cve/CVE-2022-20166, https://www.suse.com/security/cve/CVE-2022-36946

    Affected packages

    Package

    Name: kernel-default

    Purl: pkg:rpm/suse/kernel-default&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP1

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.12.14-150100.197.120.1

    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-2022:2827-1 | CVE-DB