CVE-2026-99029 (GCVE-0-2026-99029)

Vulnerability from cvelistv5 – Published: 2026-10-23 12:21 – Updated: 2026-10-23 12:21
VLAI
Title
net: sparx5: free the matchall entry on destroy
Summary
In the Linux kernel, the following vulnerability has been resolved: net: sparx5: free the matchall entry on destroy sparx5_tc_matchall_replace() allocates a struct sparx5_mall_entry for every offloaded matchall filter and adds it to sparx5->mall_entries. sparx5_tc_matchall_destroy() removes the entry from the list, but never frees it, so the entry of every deleted mirror and goto matchall filter is leaked. Free the entry after unlinking it. The leak was discovered by an AI code review agent, and reproduced with kmemleak on a lan969x EV board (EV23X71A) by repeatedly adding and deleting matchall mirror and goto filters. With the fix, kmemleak no longer reports the leak.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7056 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 1ede4acf045ced70d9b72465e2e968aec71e0a42 , < fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e (git)
Affected: 1ede4acf045ced70d9b72465e2e968aec71e0a42 , < cc7cc5955d22ea90555f09a680d4bf56d4a0c24a (git)
Affected: 1ede4acf045ced70d9b72465e2e968aec71e0a42 , < 44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e (git)
Affected: 1ede4acf045ced70d9b72465e2e968aec71e0a42 , < 2b82e16d6084cbc651e3c902198f1945408ee1a5 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.10
Unaffected: 0 , < 6.10 (semver)
Unaffected: 6.12.113 , ≤ 6.12.* (semver)
Unaffected: 6.18.57 , ≤ 6.18.* (semver)
Unaffected: 7.2.11 , ≤ 7.2.* (semver)
Unaffected: 7.3 , ≤ * (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/microchip/sparx5/sparx5_tc_matchall.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e",
              "status": "affected",
              "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
              "versionType": "git"
            },
            {
              "lessThan": "cc7cc5955d22ea90555f09a680d4bf56d4a0c24a",
              "status": "affected",
              "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
              "versionType": "git"
            },
            {
              "lessThan": "44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e",
              "status": "affected",
              "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
              "versionType": "git"
            },
            {
              "lessThan": "2b82e16d6084cbc651e3c902198f1945408ee1a5",
              "status": "affected",
              "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.10"
            },
            {
              "lessThan": "6.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.113",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.57",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.*",
              "status": "unaffected",
              "version": "7.2.11",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.113",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.57",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2.11",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.3",
                  "versionStartIncluding": "6.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: free the matchall entry on destroy\n\nsparx5_tc_matchall_replace() allocates a struct sparx5_mall_entry for\nevery offloaded matchall filter and adds it to sparx5-\u003emall_entries.\nsparx5_tc_matchall_destroy() removes the entry from the list, but never\nfrees it, so the entry of every deleted mirror and goto matchall filter\nis leaked.\n\nFree the entry after unlinking it.\n\nThe leak was discovered by an AI code review agent, and reproduced with\nkmemleak on a lan969x EV board (EV23X71A) by repeatedly adding and\ndeleting matchall mirror and goto filters. With the fix, kmemleak no\nlonger reports the leak."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-23T12:21:21.898Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e"
        },
        {
          "url": "https://git.kernel.org/stable/c/cc7cc5955d22ea90555f09a680d4bf56d4a0c24a"
        },
        {
          "url": "https://git.kernel.org/stable/c/44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e"
        },
        {
          "url": "https://git.kernel.org/stable/c/2b82e16d6084cbc651e3c902198f1945408ee1a5"
        }
      ],
      "title": "net: sparx5: free the matchall entry on destroy",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-99029",
    "datePublished": "2026-10-23T12:21:21.898Z",
    "dateReserved": "2026-09-25T10:25:14.386Z",
    "dateUpdated": "2026-10-23T12:21:21.898Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-99029",
      "date": "2026-10-24",
      "epss": "0.00209",
      "percentile": "0.10534"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e",
                    "status": "affected",
                    "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "cc7cc5955d22ea90555f09a680d4bf56d4a0c24a",
                    "status": "affected",
                    "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e",
                    "status": "affected",
                    "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "2b82e16d6084cbc651e3c902198f1945408ee1a5",
                    "status": "affected",
                    "version": "1ede4acf045ced70d9b72465e2e968aec71e0a42",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "drivers/net/ethernet/microchip/sparx5/sparx5_tc_matchall.c"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "6.10"
                  },
                  {
                    "lessThan": "6.10",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.113",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.18.*",
                    "status": "unaffected",
                    "version": "6.18.57",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "7.2.*",
                    "status": "unaffected",
                    "version": "7.2.11",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "7.3",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: free the matchall entry on destroy\n\nsparx5_tc_matchall_replace() allocates a struct sparx5_mall_entry for\nevery offloaded matchall filter and adds it to sparx5-\u003emall_entries.\nsparx5_tc_matchall_destroy() removes the entry from the list, but never\nfrees it, so the entry of every deleted mirror and goto matchall filter\nis leaked.\n\nFree the entry after unlinking it.\n\nThe leak was discovered by an AI code review agent, and reproduced with\nkmemleak on a lan969x EV board (EV23X71A) by repeatedly adding and\ndeleting matchall mirror and goto filters. With the fix, kmemleak no\nlonger reports the leak."
          }
        ],
        "id": "CVE-2026-99029",
        "lastModified": "2026-10-23T13:17:25.963",
        "metrics": {},
        "published": "2026-10-23T13:17:25.963",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/2b82e16d6084cbc651e3c902198f1945408ee1a5"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/44efb6d92dd5a2b1dd9553d92ef0eebde135fc6e"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/cc7cc5955d22ea90555f09a680d4bf56d4a0c24a"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/fa0c27d9e17ee2e46d4b8274a6fde706f0d6725e"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    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.