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CVE-2024-26855 (GCVE-0-2024-26855)

Vulnerability from cvelistv5 – Published: 2024-04-17 10:17 – Updated: 2026-05-12 11:49
VLAI
Title
net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()
Summary
In the Linux kernel, the following vulnerability has been resolved: net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink() The function ice_bridge_setlink() may encounter a NULL pointer dereference if nlmsg_find_attr() returns NULL and br_spec is dereferenced subsequently in nla_for_each_nested(). To address this issue, add a check to ensure that br_spec is not NULL before proceeding with the nested attribute iteration.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-23 14:02 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < d9fefc51133107e59d192d773be86c1150cfeebb (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < 37fe99016b12d32100ce670216816dba6c48b309 (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < 8d95465d9a424200485792858c5b3be54658ce19 (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < afdd29726a6de4ba27cd15590661424c888dc596 (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < 1a770927dc1d642b22417c3e668c871689fc58b3 (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < 0e296067ae0d74a10b4933601f9aa9f0ec8f157f (git)
Affected: b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2 , < 06e456a05d669ca30b224b8ed962421770c1496c (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.20
Unaffected: 0 , < 4.20 (semver)
Unaffected: 5.4.272 , ≤ 5.4.* (semver)
Unaffected: 5.10.213 , ≤ 5.10.* (semver)
Unaffected: 5.15.152 , ≤ 5.15.* (semver)
Unaffected: 6.1.82 , ≤ 6.1.* (semver)
Unaffected: 6.6.22 , ≤ 6.6.* (semver)
Unaffected: 6.7.10 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem Affected: 0 , < * (custom)
guessed Create a notification for this product.
Show details on NVD website
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                "drivers/net/ethernet/intel/ice/ice_main.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "d9fefc51133107e59d192d773be86c1150cfeebb",
                  "status": "affected",
                  "version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
                  "versionType": "git"
                },
                {
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                  "status": "affected",
                  "version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
                  "versionType": "git"
                },
                {
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
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                },
                {
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                  "status": "affected",
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                  "versionType": "git"
                },
                {
                  "lessThan": "0e296067ae0d74a10b4933601f9aa9f0ec8f157f",
                  "status": "affected",
                  "version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
                  "versionType": "git"
                },
                {
                  "lessThan": "06e456a05d669ca30b224b8ed962421770c1496c",
                  "status": "affected",
                  "version": "b1edc14a3fbfe0154a2aecb8bb9775c3012cb6e2",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/net/ethernet/intel/ice/ice_main.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.20"
                },
                {
                  "lessThan": "4.20",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.272",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.213",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.152",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.82",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.22",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.7.*",
                  "status": "unaffected",
                  "version": "6.7.10",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.8",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.272",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.213",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.152",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.82",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.22",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.7.10",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.8",
                      "versionStartIncluding": "4.20",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()\n\nThe function ice_bridge_setlink() may encounter a NULL pointer dereference\nif nlmsg_find_attr() returns NULL and br_spec is dereferenced subsequently\nin nla_for_each_nested(). To address this issue, add a check to ensure that\nbr_spec is not NULL before proceeding with the nested attribute iteration."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:05:26.049Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/d9fefc51133107e59d192d773be86c1150cfeebb"
            },
            {
              "url": "https://git.kernel.org/stable/c/37fe99016b12d32100ce670216816dba6c48b309"
            },
            {
              "url": "https://git.kernel.org/stable/c/8d95465d9a424200485792858c5b3be54658ce19"
            },
            {
              "url": "https://git.kernel.org/stable/c/afdd29726a6de4ba27cd15590661424c888dc596"
            },
            {
              "url": "https://git.kernel.org/stable/c/1a770927dc1d642b22417c3e668c871689fc58b3"
            },
            {
              "url": "https://git.kernel.org/stable/c/0e296067ae0d74a10b4933601f9aa9f0ec8f157f"
            },
            {
              "url": "https://git.kernel.org/stable/c/06e456a05d669ca30b224b8ed962421770c1496c"
            }
          ],
          "title": "net: ice: Fix potential NULL pointer dereference in ice_bridge_setlink()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-26855",
        "datePublished": "2024-04-17T10:17:17.858Z",
        "dateReserved": "2024-02-19T14:20:24.183Z",
        "dateUpdated": "2026-05-12T11:49:34.975Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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.


Detection rules are retrieved from Rulezet.


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.