SUSE-SU-2021:1344-1

    Dashboard / Vulnerabilities / SUSE-SU-2021:1344-1

    SUSE-SU-2021:1344-1

    Published: 28 Apr 2021Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel (Live Patch 20 for SLE 15)

    Details: This update for the Linux Kernel 4.12.14-150_58 fixes several issues. The following security issues were fixed: - CVE-2021-3444: Fixed an issue with the bpf verifier which did not properly handle mod32 destination register truncation when the source register was known to be 0 leading to out of bounds read (bsc#1184171). - CVE-2021-28688: Fixed an issue introduced by XSA-365 (bsc##1182294, bsc#1183646). - CVE-2021-26930: Fixed an improper error handling in blkback's grant mapping (XSA-365 bsc#1182294). - CVE-2021-26931: Fixed an issue where Linux kernel was treating grant mapping errors as bugs (XSA-362 bsc#1183022).

    References: https://www.suse.com/support/update/announcement/2021/suse-su-20211344-1/, https://bugzilla.suse.com/1182294, https://bugzilla.suse.com/1184171, https://www.suse.com/security/cve/CVE-2021-26930, https://www.suse.com/security/cve/CVE-2021-26931, https://www.suse.com/security/cve/CVE-2021-28688, https://www.suse.com/security/cve/CVE-2021-3444

    Affected packages

    Package

    Name: kgraft-patch-SLE12-SP4_Update_13

    Purl: pkg:rpm/suse/kgraft-patch-SLE12-SP4_Update_13&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP4

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -11-2.2

    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-2021:1344-1 | CVE-DB