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

CVE-2026-72038 (GCVE-0-2026-72038)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:51 – Updated: 2026-08-17 05:07
VLAI
Title
net: liquidio: fix BAR resource leak on PF number failure
Summary
In the Linux kernel, the following vulnerability has been resolved: net: liquidio: fix BAR resource leak on PF number failure If cn23xx_get_pf_num() fails, the function returns without unmapping either BAR. Unmap both BARs before returning from the error path. Found by manual code review.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < 75b924759de9427761115301308c137904aa3f99 (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < 4a45884566bab4122bbeb8fff7d2d6b5fdbded24 (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < 020e52aee732bb08e6b89dd02bbf88895a50fffd (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < b74f293e5f38052cfa14710abfacd6b6561cc2d6 (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < a22103618ee5b6ee884c374351f65fcdff7248f0 (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < 715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67 (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < 4140c516473a0e116ab3a73f9320c2aa5800210b (git)
Affected: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b , < c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.14
Unaffected: 0 , < 4.14 (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
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "75b924759de9427761115301308c137904aa3f99",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "4a45884566bab4122bbeb8fff7d2d6b5fdbded24",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "020e52aee732bb08e6b89dd02bbf88895a50fffd",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "b74f293e5f38052cfa14710abfacd6b6561cc2d6",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "a22103618ee5b6ee884c374351f65fcdff7248f0",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "4140c516473a0e116ab3a73f9320c2aa5800210b",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            },
            {
              "lessThan": "c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496",
              "status": "affected",
              "version": "0c45d7fe12c7e1510bae9dfac189c8b927e4636b",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "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": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: fix BAR resource leak on PF number failure\n\nIf cn23xx_get_pf_num() fails, the function returns without\nunmapping either BAR. Unmap both BARs before returning from\nthe error path.\n\nFound by manual code review."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:07:04.031Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24"
        },
        {
          "url": "https://git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd"
        },
        {
          "url": "https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67"
        },
        {
          "url": "https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b"
        },
        {
          "url": "https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496"
        }
      ],
      "title": "net: liquidio: fix BAR resource leak on PF number failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72038",
    "datePublished": "2026-08-15T05:51:58.487Z",
    "dateReserved": "2026-08-09T03:40:39.901Z",
    "dateUpdated": "2026-08-17T05:07:04.031Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-72038",
      "date": "2026-09-04",
      "epss": "0.00211",
      "percentile": "0.11226"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-72038\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-08-15T06:21:12.860\",\"lastModified\":\"2026-08-17T06:18:01.700\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: liquidio: fix BAR resource leak on PF number failure\\n\\nIf cn23xx_get_pf_num() fails, the function returns without\\nunmapping either BAR. Unmap both BARs before returning from\\nthe error path.\\n\\nFound by manual code review.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"75b924759de9427761115301308c137904aa3f99\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"4a45884566bab4122bbeb8fff7d2d6b5fdbded24\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"020e52aee732bb08e6b89dd02bbf88895a50fffd\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"b74f293e5f38052cfa14710abfacd6b6561cc2d6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"a22103618ee5b6ee884c374351f65fcdff7248f0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"4140c516473a0e116ab3a73f9320c2aa5800210b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0c45d7fe12c7e1510bae9dfac189c8b927e4636b\",\"lessThan\":\"c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.14\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.14\",\"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/020e52aee732bb08e6b89dd02bbf88895a50fffd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-19T05:25:27+00:00",
      "cve": "CVE-2026-72038",
      "id": "CVE-2026-72038",
      "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: net: liquidio: fix BAR resource leak on PF number failure",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72038.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





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.


Detection rules are retrieved from Rulezet.