Vulnerability-Lookup

CVE-2026-3196 (GCVE-0-2026-3196)

Vulnerability from cvelistv5 – Published: 2026-06-19 16:23 – Updated: 2026-06-22 15:54

Title

Qemu-kvm: virtio-snd: integer overflow leading to unbounded memory allocation

Summary

An integer overflow vulnerability was found in the virtio-snd device via PCM_INFO requests from the guest. A malicious guest can provide out-of-bounds stream counts, potentially leading to unbounded memory allocation on the host and a denial of service condition.

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

CWE-190 - Integer Overflow or Wraparound

Assigner

fedora

References

2 references

URL	Tags
https://access.redhat.com/security/cve/CVE-2026-3196	vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2443789	issue-trackingx_refsource_REDHAT

Impacted products

7 products

Vendor	Product	Version
		Affected: 8.2.0 , ≤ 10.2.1 (semver)
Red Hat	Red Hat Enterprise Linux 10	cpe:/o:redhat:enterprise_linux:10
Red Hat	Red Hat Enterprise Linux 6	cpe:/o:redhat:enterprise_linux:6
Red Hat	Red Hat Enterprise Linux 7	cpe:/o:redhat:enterprise_linux:7
Red Hat	Red Hat Enterprise Linux 8	cpe:/o:redhat:enterprise_linux:8
Red Hat	Red Hat Enterprise Linux 9	cpe:/o:redhat:enterprise_linux:9
Red Hat	Red Hat OpenShift Container Platform 4	cpe:/a:redhat:openshift:4

Date Public

2026-02-20 00:00

Credits

Red Hat would like to thank Mingyuan Luo for reporting this issue.

Show details on NVD website

JSON

To clipboard

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WID-SEC-W-2026-0566

Vulnerability from csaf_certbund - Published: 2026-03-02 23:00 - Updated: 2026-06-14 22:00

Summary

QEMU (qemu-kvm: virtio-snd): Mehrere Schwachstellen ermöglichen Codeausführung und DoS

Severity

Mittel

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: QEMU ist eine freie Virtualisierungssoftware, die die gesamte Hardware eines Computers emuliert.

Angriff: Ein lokaler Angreifer kann mehrere Schwachstellen in QEMU ausnutzen, um beliebigen Programmcode auszuführen oder um einen Denial-of-Service-Zustand zu verursachen.

Betroffene Betriebssysteme: - Sonstiges - UNIX - Windows

CVE-2026-3195

Affected products

Known affected 4 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Open Source QEMU Open Source	`cpe:/a:qemu:qemu:-`	—

CVE-2026-3196

Affected products

Known affected 4 products

Product	Identifier	Version
SUSE Linux SUSE	`cpe:/o:suse:suse_linux:-`	—
Ubuntu Linux Ubuntu	`cpe:/o:canonical:ubuntu_linux:-`	—
SUSE openSUSE SUSE	`cpe:/o:suse:opensuse:-`	—
Open Source QEMU Open Source	`cpe:/a:qemu:qemu:-`	—

References

12 references

URL	Category
https://wid.cert-bund.de/.well-known/csaf/white/2…	self
https://wid.cert-bund.de/portal/wid/securityadvis…	self
https://bugzilla.redhat.com/show_bug.cgi?id=2443817	external
https://bugzilla.redhat.com/show_bug.cgi?id=2443789	external
https://ubuntu.com/security/notices/USN-8161-1	external
https://lists.opensuse.org/archives/list/security…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external
https://lists.suse.com/pipermail/sle-security-upd…	external

JSON

To clipboard

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  "document": {
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      "text": "mittel"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
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        "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."
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        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- Sonstiges\n- UNIX\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
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      "contact_details": "csaf-provider@cert-bund.de",
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        "summary": "Ubuntu Security Notice USN-8161-1 vom 2026-04-10",
        "url": "https://ubuntu.com/security/notices/USN-8161-1"
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        "category": "external",
        "summary": "openSUSE Security Update OPENSUSE-SU-2026:20567-1 vom 2026-04-21",
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        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21235-1 vom 2026-04-22",
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        "category": "external",
        "summary": "SUSE Security Update SUSE-SU-2026:21354-1 vom 2026-04-28",
        "url": "https://lists.suse.com/pipermail/sle-security-updates/2026-April/025749.html"
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              "product_id": "T051331",
              "product_identification_helper": {
                "cpe": "cpe:/a:qemu:qemu:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Open Source"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "SUSE Linux",
            "product": {
              "name": "SUSE Linux",
              "product_id": "T002207",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:suse_linux:-"
              }
            }
          },
          {
            "category": "product_name",
            "name": "SUSE openSUSE",
            "product": {
              "name": "SUSE openSUSE",
              "product_id": "T027843",
              "product_identification_helper": {
                "cpe": "cpe:/o:suse:opensuse:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "SUSE"
      },
      {
        "branches": [
          {
            "category": "product_name",
            "name": "Ubuntu Linux",
            "product": {
              "name": "Ubuntu Linux",
              "product_id": "T000126",
              "product_identification_helper": {
                "cpe": "cpe:/o:canonical:ubuntu_linux:-"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "Ubuntu"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-3195",
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T027843",
          "T051331"
        ]
      },
      "release_date": "2026-03-02T23:00:00.000+00:00",
      "title": "CVE-2026-3195"
    },
    {
      "cve": "CVE-2026-3196",
      "product_status": {
        "known_affected": [
          "T002207",
          "T000126",
          "T027843",
          "T051331"
        ]
      },
      "release_date": "2026-03-02T23:00:00.000+00:00",
      "title": "CVE-2026-3196"
    }
  ]
}

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-2026-3196 (GCVE-0-2026-3196)

WID-SEC-W-2026-0566

Tags

Sightings

Nomenclature