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CVE-2026-5165

A flaw was found in virtio-win, specifically within the VirtIO Block (BLK) device. When the device undergoes a reset, it fails to properly manage memory, resulting in a use-after-free vulnerability. This issue could allow a local attacker to corrupt system memory, potentially leading to system instability or unexpected behavior.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:93c556cc83b66ffdc0d9c9ee3a0b81f7e5e730bd07eeb5f8c8710bc65004af85
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/1

Affected products and versions

3 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"virtio-win","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-825","description":"Expired Pointer Dereference","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-5165"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/references/0
{"name":"RHBZ#2453015","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2453015"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/references/1
{"url":"https://github.com/virtio-win/kvm-guest-drivers-windows/pull/1493"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:813118858d58c2b9947bc2026f0356ff16a0f86a69ad8082a9b26b5d49e9bf78 · sha256:c345eef2cad80da3… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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