SUSE-SU-2023:3749-1

    Dashboard / Vulnerabilities / SUSE-SU-2023:3749-1

    SUSE-SU-2023:3749-1

    Published: 25 Sept 2023Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel (Live Patch 35 for SLE 12 SP5)

    Details: This update for the Linux Kernel 4.12.14-122_133 fixes several issues. The following security issues were fixed: - CVE-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619). - CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119). - CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587). - CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).

    References: https://www.suse.com/support/update/announcement/2023/suse-su-20233749-1/, https://bugzilla.suse.com/1210619, https://bugzilla.suse.com/1213587, https://bugzilla.suse.com/1213706, https://bugzilla.suse.com/1215119, https://www.suse.com/security/cve/CVE-2023-1829, https://www.suse.com/security/cve/CVE-2023-3609, https://www.suse.com/security/cve/CVE-2023-3776, https://www.suse.com/security/cve/CVE-2023-3812

    Affected packages

    Package

    Name: kgraft-patch-SLE12-SP5_Update_35

    Purl: pkg:rpm/suse/kgraft-patch-SLE12-SP5_Update_35&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2012%20SP5

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -12-2.2

    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-2023:3749-1 | CVE-DB