CVE-2023-4147

    Dashboard / Vulnerabilities / CVE-2023-4147

    CVE-2023-4147

    Published: 7 Aug 2023Last Modified: 16 Apr 2026

    Summary:

    Details: A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system.

    References: https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html, https://www.debian.org/security/2023/dsa-5480, https://www.debian.org/security/2023/dsa-5492, https://access.redhat.com/errata/RHSA-2023:5069, https://access.redhat.com/errata/RHSA-2023:5093, https://access.redhat.com/errata/RHSA-2023:7411, https://security.netapp.com/advisory/ntap-20231020-0006/, https://access.redhat.com/errata/RHSA-2023:5091, https://access.redhat.com/errata/RHSA-2023:7382, https://access.redhat.com/errata/RHSA-2023:7389, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0ebc1064e4874d5987722a2ddbc18f94aa53b211, https://www.spinics.net/lists/stable/msg671573.html, https://access.redhat.com/security/cve/CVE-2023-4147, https://bugzilla.redhat.com/show_bug.cgi?id=2225239

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    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
    CVE-2023-4147 | CVE-DB