Vulnerability-Lookup

CVE-2025-40240 (GCVE-0-2025-40240)

Vulnerability from cvelistv5 – Published: 2025-12-04 15:31 – Updated: 2026-06-16 19:41

Title

sctp: avoid NULL dereference when chunk data buffer is missing

Summary

In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk->skb pointer is dereferenced in the if-block where it's supposed to be NULL only. chunk->skb can only be NULL if chunk->head_skb is not. Check for frag_list instead and do it just before replacing chunk->skb. We're sure that otherwise chunk->skb is non-NULL because of outer if() condition.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/61cda2777b07d2745…
https://git.kernel.org/stable/c/08165c29659707576…
https://git.kernel.org/stable/c/03e80a4b04ef1fb2c…
https://git.kernel.org/stable/c/4f6da435fb5d8a21c…
https://git.kernel.org/stable/c/cb9055ba30306ede4…
https://git.kernel.org/stable/c/7a832b0f99be19df6…
https://git.kernel.org/stable/c/89b465b54227c245d…
https://git.kernel.org/stable/c/441f0647f7673e0e6…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 61cda2777b07d27459f5cac5a047c3edf9c8a1a9 (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 08165c296597075763130919f2aae59b5822f016 (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 03e80a4b04ef1fb2c61dd63216ab8d3a5dcb196f (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 4f6da435fb5d8a21cbf8cae5ca5a2ba0e1012b71 (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < cb9055ba30306ede4ad920002233d0659982f1cb (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 7a832b0f99be19df608cb75c023f8027b1789bd1 (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 89b465b54227c245ddc7cc9ed822231af21123ef (git) Affected: 90017accff61ae89283ad9a51f9ac46ca01633fb , < 441f0647f7673e0e64d4910ef61a5fb8f16bfb82 (git)
Linux	Linux	Affected: 4.8 Unaffected: 0 , < 4.8 (semver) Unaffected: 5.4.301 , ≤ 5.4.* (semver) Unaffected: 5.10.246 , ≤ 5.10.* (semver) Unaffected: 5.15.196 , ≤ 5.15.* (semver) Unaffected: 6.1.158 , ≤ 6.1.* (semver) Unaffected: 6.6.115 , ≤ 6.6.* (semver) Unaffected: 6.12.56 , ≤ 6.12.* (semver) Unaffected: 6.17.6 , ≤ 6.17.* (semver) Unaffected: 6.18 , ≤ * (original_commit_for_fix)

Show details on NVD website

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WID-SEC-W-2026-0544

Vulnerability from csaf_certbund - Published: 2026-02-26 23:00 - Updated: 2026-03-25 23:00

Summary

IBM QRadar SIEM: Mehrere Schwachstellen

Severity

Hoch

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung: IBM QRadar Security Information and Event Management (SIEM) bietet Unterstützung bei der Erkennung und Priorisierung von Sicherheitsbedrohungen im Unternehmen.

Angriff: Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren oder andere nicht näher spezifizierte Angriffe durchzuführen, darunter potenzielle Codeausführung oder Speicherbeschädigung.

Betroffene Betriebssysteme: - Sonstiges - UNIX

CVE-2023-53673

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-13601

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-39993

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-40154

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-40240

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-40248

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-40277

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-68285

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-68615

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-68973

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

CVE-2025-9230

Affected products

Known affected 2 products

Product	Identifier	Version	Remediation
IBM QRadar SIEM <7.5.0 UP14 IF05 IBM / QRadar SIEM		<7.5.0 UP14 IF05
Red Hat Enterprise Linux Red Hat	`cpe:/o:redhat:enterprise_linux:-`	—

References

4 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://www.ibm.com/support/pages/node/7261935	external
https://access.redhat.com/errata/RHSA-2026:5813	external

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "hoch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "IBM QRadar Security Information and Event Management (SIEM) bietet Unterst\u00fctzung bei der Erkennung und Priorisierung von Sicherheitsbedrohungen im Unternehmen.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um einen Denial-of-Service-Zustand zu verursachen, Daten zu manipulieren oder andere nicht n\u00e4her spezifizierte Angriffe durchzuf\u00fchren, darunter potenzielle Codeausf\u00fchrung oder Speicherbesch\u00e4digung.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2026-0544 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-0544.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2026-0544 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0544"
      },
      {
        "category": "external",
        "summary": "IBM Security Bulletin 7261935 vom 2026-02-26",
        "url": "https://www.ibm.com/support/pages/node/7261935"
      },
      {
        "category": "external",
        "summary": "Red Hat Security Advisory RHSA-2026:5813 vom 2026-03-25",
        "url": "https://access.redhat.com/errata/RHSA-2026:5813"
      }
    ],
    "source_lang": "en-US",
    "title": "IBM QRadar SIEM: Mehrere Schwachstellen",
    "tracking": {
      "current_release_date": "2026-03-25T23:00:00.000+00:00",
      "generator": {
        "date": "2026-03-26T08:02:15.673+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.5.0"
        }
      },
      "id": "WID-SEC-W-2026-0544",
      "initial_release_date": "2026-02-26T23:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2026-02-26T23:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        },
        {
          "date": "2026-03-25T23:00:00.000+00:00",
          "number": "2",
          "summary": "Neue Updates von Red Hat aufgenommen"
        }
      ],
      "status": "final",
      "version": "2"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "\u003c7.5.0 UP14 IF05",
                "product": {
                  "name": "IBM QRadar SIEM \u003c7.5.0 UP14 IF05",
                  "product_id": "T051283"
                }
              },
              {
                "category": "product_version",
                "name": "7.5.0 UP14 IF05",
                "product": {
                  "name": "IBM QRadar SIEM 7.5.0 UP14 IF05",
                  "product_id": "T051283-fixed",
                  "product_identification_helper": {
                    "cpe": "cpe:/a:ibm:qradar_siem:7.5.0_up14_if05"
                  }
                }
              }
            ],
            "category": "product_name",
            "name": "QRadar SIEM"
          }
        ],
        "category": "vendor",
        "name": "IBM"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Red Hat Enterprise Linux",
            "product": {
              "name": "Red Hat Enterprise Linux",
              "product_id": "67646",
              "product_identification_helper": {
                "cpe": "cpe:/o:redhat:enterprise_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Red Hat"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-53673",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2023-53673"
    },
    {
      "cve": "CVE-2025-13601",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-13601"
    },
    {
      "cve": "CVE-2025-39993",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-39993"
    },
    {
      "cve": "CVE-2025-40154",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-40154"
    },
    {
      "cve": "CVE-2025-40240",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-40240"
    },
    {
      "cve": "CVE-2025-40248",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-40248"
    },
    {
      "cve": "CVE-2025-40277",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-40277"
    },
    {
      "cve": "CVE-2025-68285",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-68285"
    },
    {
      "cve": "CVE-2025-68615",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-68615"
    },
    {
      "cve": "CVE-2025-68973",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-68973"
    },
    {
      "cve": "CVE-2025-9230",
      "product_status": {
        "known_affected": [
          "T051283",
          "67646"
        ]
      },
      "release_date": "2026-02-26T23:00:00.000+00:00",
      "title": "CVE-2025-9230"
    }
  ]
}

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.

Action not permitted

CVE-2025-40240 (GCVE-0-2025-40240)

WID-SEC-W-2026-0544

Tags

Sightings

Nomenclature