SUSE-SU-2021:2027-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:2027-1

    SUSE-SU-2021:2027-1

    Published: 18 Jun 2021Last Modified: 2 May 2025

    Summary: Security update for the Linux Kernel (Live Patch 13 for SLE 15 SP2)

    Details: This update for the Linux Kernel 5.3.18-24_64 fixes several issues. The following issues were fixed: - CVE-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values (bsc#1186111). - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges (bnc#1186060). - 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-20212027-1/, https://bugzilla.suse.com/1185847, https://bugzilla.suse.com/1186061, https://bugzilla.suse.com/1186285, https://bugzilla.suse.com/1186498, https://www.suse.com/security/cve/CVE-2021-23134, https://www.suse.com/security/cve/CVE-2021-33034, https://www.suse.com/security/cve/CVE-2021-33200

    Affected packages

    Package

    Name: kernel-livepatch-SLE15-SP2_Update_13

    Purl: pkg:rpm/suse/kernel-livepatch-SLE15-SP2_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP2

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2-2.1

    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-2021:2027-1 | CVE-DB