GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-72230 (GCVE-0-2026-72230)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:54 – Updated: 2026-08-17 05:10
VLAI
Title
batman-adv: frag: free unfragmentable packet
Summary
In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: free unfragmentable packet The caller of batadv_frag_send_packet() assume that the skb provided to the function are always consumed. But the pre-check for an empty payload or the zero fragment size returned an error without any further actions. A failed pre-check must use the same error handling code as the rest of the function.
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < a5155aeeae8ead3c6081f7f197608033e4dcfe75 (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 04ccbed8179e7d4d0906d00939300ddc5b48ce7e (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 601dff01a03ecced59938cdd69eeb2c66e4158f2 (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 740542f11bf8c86411c429fbd7f84fc6bee80e76 (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 59e1da1ab354d1f2b7bab8d44f846262f990ad9d (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 8f54162e07d3eea1e4ff21464cf2a815d79b6510 (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 08047838817561cef33ada9774a2a4663d499ecb (git)
Affected: ee75ed88879af88558818a5c6609d85f60ff0df4 , < 6b628425aed49a1c7a4ffc997583840fc582d32b (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.13
Unaffected: 0 , < 3.13 (semver)
Unaffected: 5.10.261 , ≤ 5.10.* (semver)
Unaffected: 5.15.212 , ≤ 5.15.* (semver)
Unaffected: 6.1.178 , ≤ 6.1.* (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/batman-adv/fragmentation.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "a5155aeeae8ead3c6081f7f197608033e4dcfe75",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "04ccbed8179e7d4d0906d00939300ddc5b48ce7e",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "601dff01a03ecced59938cdd69eeb2c66e4158f2",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "740542f11bf8c86411c429fbd7f84fc6bee80e76",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "59e1da1ab354d1f2b7bab8d44f846262f990ad9d",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "8f54162e07d3eea1e4ff21464cf2a815d79b6510",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "08047838817561cef33ada9774a2a4663d499ecb",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            },
            {
              "lessThan": "6b628425aed49a1c7a4ffc997583840fc582d32b",
              "status": "affected",
              "version": "ee75ed88879af88558818a5c6609d85f60ff0df4",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/batman-adv/fragmentation.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.13"
            },
            {
              "lessThan": "3.13",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "3.13",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: frag: free unfragmentable packet\n\nThe caller of batadv_frag_send_packet() assume that the skb provided to the\nfunction are always consumed. But the pre-check for an empty payload or the\nzero fragment size returned an error without any further actions.\n\nA failed pre-check must use the same error handling code as the rest of the\nfunction."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:10:46.396Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a5155aeeae8ead3c6081f7f197608033e4dcfe75"
        },
        {
          "url": "https://git.kernel.org/stable/c/04ccbed8179e7d4d0906d00939300ddc5b48ce7e"
        },
        {
          "url": "https://git.kernel.org/stable/c/601dff01a03ecced59938cdd69eeb2c66e4158f2"
        },
        {
          "url": "https://git.kernel.org/stable/c/740542f11bf8c86411c429fbd7f84fc6bee80e76"
        },
        {
          "url": "https://git.kernel.org/stable/c/59e1da1ab354d1f2b7bab8d44f846262f990ad9d"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f54162e07d3eea1e4ff21464cf2a815d79b6510"
        },
        {
          "url": "https://git.kernel.org/stable/c/08047838817561cef33ada9774a2a4663d499ecb"
        },
        {
          "url": "https://git.kernel.org/stable/c/6b628425aed49a1c7a4ffc997583840fc582d32b"
        }
      ],
      "title": "batman-adv: frag: free unfragmentable packet",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72230",
    "datePublished": "2026-08-15T05:54:21.256Z",
    "dateReserved": "2026-08-09T03:40:39.913Z",
    "dateUpdated": "2026-08-17T05:10:46.396Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-72230",
      "date": "2026-09-04",
      "epss": "0.00211",
      "percentile": "0.11228"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-72230\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-08-15T06:21:49.870\",\"lastModified\":\"2026-08-17T06:18:24.257\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbatman-adv: frag: free unfragmentable packet\\n\\nThe caller of batadv_frag_send_packet() assume that the skb provided to the\\nfunction are always consumed. But the pre-check for an empty payload or the\\nzero fragment size returned an error without any further actions.\\n\\nA failed pre-check must use the same error handling code as the rest of the\\nfunction.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/batman-adv/fragmentation.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"a5155aeeae8ead3c6081f7f197608033e4dcfe75\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"04ccbed8179e7d4d0906d00939300ddc5b48ce7e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"601dff01a03ecced59938cdd69eeb2c66e4158f2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"740542f11bf8c86411c429fbd7f84fc6bee80e76\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"59e1da1ab354d1f2b7bab8d44f846262f990ad9d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"8f54162e07d3eea1e4ff21464cf2a815d79b6510\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"08047838817561cef33ada9774a2a4663d499ecb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"ee75ed88879af88558818a5c6609d85f60ff0df4\",\"lessThan\":\"6b628425aed49a1c7a4ffc997583840fc582d32b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/batman-adv/fragmentation.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.13\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.13\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.261\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.212\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.178\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.145\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.97\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.40\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1.5\",\"lessThanOrEqual\":\"7.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/04ccbed8179e7d4d0906d00939300ddc5b48ce7e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/08047838817561cef33ada9774a2a4663d499ecb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/59e1da1ab354d1f2b7bab8d44f846262f990ad9d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/601dff01a03ecced59938cdd69eeb2c66e4158f2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6b628425aed49a1c7a4ffc997583840fc582d32b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/740542f11bf8c86411c429fbd7f84fc6bee80e76\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8f54162e07d3eea1e4ff21464cf2a815d79b6510\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a5155aeeae8ead3c6081f7f197608033e4dcfe75\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-18T15:16:15+00:00",
      "cve": "CVE-2026-72230",
      "id": "CVE-2026-72230",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: batman-adv: frag: free unfragmentable packet",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72230.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Loading…