SUSE-SU-2023:3923-1

    Dashboard / Vulnerabilities / SUSE-SU-2023:3923-1

    SUSE-SU-2023:3923-1

    Published: 30 Sept 2023Last Modified: 4 Feb 2026

    Summary: Security update for the Linux Kernel (Live Patch 1 for SLE 15 SP5)

    Details: This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues. The following security issues were fixed: - CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119). - CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123). - CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587). - CVE-2023-31248: Fixed an use-after-free vulnerability in nft_chain_lookup_byid that could allow a local attacker to escalate their privilege (bsc#1213064).

    References: https://www.suse.com/support/update/announcement/2023/suse-su-20233923-1/, https://bugzilla.suse.com/1213064, https://bugzilla.suse.com/1213587, https://bugzilla.suse.com/1214123, https://bugzilla.suse.com/1215119, https://www.suse.com/security/cve/CVE-2023-31248, 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-2023-4273

    Affected packages

    Package

    Name: kernel-livepatch-SLE15-SP4_Update_14

    Purl: pkg:rpm/suse/kernel-livepatch-SLE15-SP4_Update_14&distro=SUSE%20Linux%20Enterprise%20Live%20Patching%2015%20SP4

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3-150400.2.1

    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-2023:3923-1 | CVE-DB