CVE-2023-5197

    Dashboard / Vulnerabilities / CVE-2023-5197

    CVE-2023-5197

    Published: 26 Sept 2023Last Modified: 12 Aug 2026

    Summary: Use-after-free in Linux kernel's netfilter: nf_tables component

    Details: A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation. Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free. We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.

    References: http://packetstormsecurity.com/files/175963/Kernel-Live-Patch-Security-Notice-LSN-0099-1.html, https://git.kernel.org, https://kernel.dance/f15f29fd4779be8a418b66e9d52979bb6d6c2325, https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/5xxx/CVE-2023-5197.json, https://nvd.nist.gov/vuln/detail/CVE-2023-5197, https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f15f29fd4779be8a418b66e9d52979bb6d6c2325

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bbf5c979011a099af5dc76498918ed7df445635b
    Fixed -ffc253263a1375a65fa6c9f62a893e9767fbebfa

    Affected versions

    v6.6-rc1

    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-2023-5197 | CVE-DB