CVE-2025-12464 (GCVE-0-2025-12464)

Vulnerability from cvelistv5 – Published: 2025-10-31 21:15 – Updated: 2026-08-31 17:02
VLAI
Title
Qemu-kvm: stack buffer overflow in e1000 device via short frames in loopback mode
Summary
A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individual network devices and moved to the net core code. The issue stems from the device's receive code still being able to process a short frame in loopback mode. This could lead to a buffer overrun in the e1000_receive_iov() function via the loopback code path. A malicious guest user could use this vulnerability to crash the QEMU process on the host, resulting in a denial of service.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-03 13:10 UTC
CWE
  • CWE-121 - Stack-based Buffer Overflow
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1046 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Affected: 8.1.0 , < 10.1.3 (semver)
Red Hat Red Hat Enterprise Linux 10     cpe:/o:redhat:enterprise_linux:10
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Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
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Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat Enterprise Linux 9     cpe:/o:redhat:enterprise_linux:9
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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Date Public
2025-07-17 00:00
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          ],
          "providerMetadata": {
            "dateUpdated": "2026-08-31T17:02:08.592Z",
            "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
            "shortName": "redhat"
          },
          "references": [
            {
              "tags": [
                "vdb-entry",
                "x_refsource_REDHAT"
              ],
              "url": "https://access.redhat.com/security/cve/CVE-2025-12464"
            },
            {
              "name": "RHBZ#2408845",
              "tags": [
                "issue-tracking",
                "x_refsource_REDHAT"
              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2408845"
            },
            {
              "url": "https://gitlab.com/qemu-project/qemu/-/issues/3043"
            }
          ],
          "timeline": [
            {
              "lang": "en",
              "time": "2025-10-28T00:00:00.000Z",
              "value": "Reported to Red Hat."
            },
            {
              "lang": "en",
              "time": "2025-07-17T00:00:00.000Z",
              "value": "Made public."
            }
          ],
          "title": "Qemu-kvm: stack buffer overflow in e1000 device via short frames in loopback mode",
          "x_generator": {
            "engine": "cvelib 1.8.0"
          },
          "x_redhatCweChain": "CWE-121: Stack-based Buffer Overflow"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "assignerShortName": "redhat",
        "cveId": "CVE-2025-12464",
        "datePublished": "2025-10-31T21:15:48.885Z",
        "dateReserved": "2025-10-29T11:52:28.148Z",
        "dateUpdated": "2026-08-31T17:02:08.592Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Sightings

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