CVE-2023-53179 (GCVE-0-2023-53179)

Vulnerability from cvelistv5 – Published: 2025-09-15 14:04 – Updated: 2026-08-05 09:12
VLAI
Title
netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c The missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can lead to the use of wrong `CIDR_POS(c)` for calculating array offsets, which can lead to integer underflow. As a result, it leads to slab out-of-bound access. This patch adds back the IP_SET_HASH_WITH_NET0 macro to ip_set_hash_netportnet to address the issue.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0d5d0b5c41f766355f2b42c47d13ea001f754c7d , < 7935b636dd693dfe4483cfef4a1e91366c8103fa (git)
Affected: cb3e590df429ce151d5041884a4947099b8ad6a7 , < e632d09dffc68b9602d6893a99bfe3001d36cefc (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < 109e830585e89a03d554bf8ad0e668630d0a6260 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < 83091f8ac03f118086596f17c9a52d31d6ca94b3 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < a9e6142e5f8f6ac7d1bca45c1b2b13b084ea9e14 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < 7ca0706c68adadf86a36b60dca090f5e9481e808 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < d59b6fc405549f7caf31f6aa5da1d6bef746b166 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < d95c8420efe684b964e3aa28108e9a354bcd7225 (git)
Affected: 886503f34d63e681662057448819edb5b1057a97 , < 050d91c03b28ca479df13dfb02bcd2c60dd6a878 (git)
Affected: 186642845b02e1a7944ef33c3a3ac41eba77517f (git)
Affected: 919560afc21f91ca352a20394d5249aba1799690 (git)
Affected: 4.14.84 , < 4.14.326 (semver)
Affected: 4.19.5 , < 4.19.295 (semver)
Affected: 4.4.165 , < 4.5 (semver)
Affected: 4.9.141 , < 4.10 (semver)
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Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 4.14.326 , ≤ 4.14.* (semver)
Unaffected: 4.19.295 , ≤ 4.19.* (semver)
Unaffected: 5.4.257 , ≤ 5.4.* (semver)
Unaffected: 5.10.195 , ≤ 5.10.* (semver)
Unaffected: 5.15.132 , ≤ 5.15.* (semver)
Unaffected: 6.1.53 , ≤ 6.1.* (semver)
Unaffected: 6.4.16 , ≤ 6.4.* (semver)
Unaffected: 6.5.3 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead to the use of wrong `CIDR_POS(c)` for calculating array offsets,\nwhich can lead to integer underflow. As a result, it leads to slab\nout-of-bound access.\nThis patch adds back the IP_SET_HASH_WITH_NET0 macro to\nip_set_hash_netportnet to address the issue."
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c\n\nThe missing IP_SET_HASH_WITH_NET0 macro in ip_set_hash_netportnet can\nlead to the use of wrong `CIDR_POS(c)` for calculating array offsets,\nwhich can lead to integer underflow. As a result, it leads to slab\nout-of-bound access.\nThis patch adds back the IP_SET_HASH_WITH_NET0 macro to\nip_set_hash_netportnet to address the issue."
          }
        ],
        "id": "CVE-2023-53179",
        "lastModified": "2026-08-04T10:18:56.657",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
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              "exploitabilityScore": 1.8,
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              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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                "baseScore": 7.8,
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                "confidentialityImpact": "HIGH",
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                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
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        "published": "2025-09-15T14:15:39.920",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
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        "vulnStatus": "Modified",
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              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
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    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-04T22:55:40+00:00",
      "cve": "CVE-2023-53179",
      "id": "CVE-2023-53179",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "90",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53179.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-13T23:46:58Z",
      "cve": "CVE-2023-53179",
      "id": "CVE-2023-53179",
      "initial_release_date": "2025-09-16T23:32:10Z",
      "product_status:known_not_affected": "220",
      "product_status:recommended": "545",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53179",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53179.json",
      "version": "48"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.