CVE-2023-7192
Vulnerability from cvelistv5
Published
2024-01-02 19:02
Modified
2024-11-14 19:11
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Kernel: refcount leak in ctnetlink_create_conntrack()
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0723
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0725
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1188
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1250
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1306
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1367
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1382
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:1404
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2006
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:2008
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-7192Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2256279Issue Tracking, Patch
secalert@redhat.comhttps://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83Mailing List, Patch
Impacted products
Red HatRed Hat Enterprise Linux 8.2 Advanced Update Support
Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.2 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.2 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.4 Telecommunications Update Service
Red HatRed Hat Enterprise Linux 8.4 Update Services for SAP Solutions
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support
Red HatRed Hat Enterprise Linux 8.8 Extended Update Support
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support
Red HatRed Hat Enterprise Linux 9.0 Extended Update Support
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support
Red HatRed Hat Enterprise Linux 9.2 Extended Update Support
Red HatRed Hat Virtualization 4 for Red Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 6
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 7
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 8
Red HatRed Hat Enterprise Linux 9
Red HatRed Hat Enterprise Linux 9
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          "url": "https://access.redhat.com/errata/RHSA-2024:2006"
        },
        {
          "name": "RHSA-2024:2008",
          "tags": [
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          ],
          "url": "https://access.redhat.com/errata/RHSA-2024:2008"
        },
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          "url": "https://access.redhat.com/security/cve/CVE-2023-7192"
        },
        {
          "name": "RHBZ#2256279",
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            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2256279"
        },
        {
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=ac4893980bbe79ce383daf9a0885666a30fe4c83"
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      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2023-09-13T00:00:00+00:00",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2023-02-10T00:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Kernel: refcount leak in ctnetlink_create_conntrack()",
      "workarounds": [
        {
          "lang": "en",
          "value": "Triggering this issue requires the ability to create user/net namespaces.\n\nOn non-containerized deployments of Red Hat Enterprise Linux 8, you can disable user namespaces by setting user.max_user_namespaces to 0:\n\n# echo \"user.max_user_namespaces=0\" \u003e /etc/sysctl.d/userns.conf\n# sysctl -p /etc/sysctl.d/userns.conf\n\nOn containerized deployments, such as Red Hat OpenShift Container Platform, do not use this mitigation as the functionality is needed to be enabled.\n\nAlternatively, skip loading the affected netfilter module (i.e., nf_conntrack_netlink) onto the system until we have a fix available. This can be done by a blacklist mechanism which will ensure the driver is not loaded at boot time.\n~~~\nHow do I blacklist a kernel module to prevent it from loading automatically?\nhttps://access.redhat.com/solutions/41278 \n~~~"
        }
      ],
      "x_redhatCweChain": "CWE-401: Missing Release of Memory after Effective Lifetime"
    }
  },
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    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2023-7192",
    "datePublished": "2024-01-02T19:02:45.371Z",
    "dateReserved": "2023-12-30T18:12:05.167Z",
    "dateUpdated": "2024-11-14T19:11:30.973Z",
    "state": "PUBLISHED"
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  }
}


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