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CVE-2026-48914

A flaw was found in QEMU's virtio-blk device. The issue arises because the device does not properly validate the size of input descriptors before writing data. A malicious guest with high privileges could exploit this vulnerability by submitting a malformed virtio-blk SCSI request, leading to an out-of-bounds write in the host heap memory and a potential denial of service (DoS) for the QEMU process.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5e05ce2568e26416a822b816bbd9701947bc3a4d5cb72d4d5dd0af36f7cfa3ad
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 9 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_nvidia:"],"defaultStatus":"affected","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux for NVIDIA 26","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/7

{"collectionURL":"https://gitlab.com/qemu-project/qemu","defaultStatus":"unaffected","packageName":"qemu","versions":[{"lessThanOrEqual":"11.0.1","status":"affected","version":"1.1.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unknown","packageName":"qemu-kvm-ma","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/5

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/8

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unknown","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"],"defaultStatus":"affected","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"17:10.1.0-17.el9_8.4","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/6

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/3

Affected products and versions

9 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux_nvidia:"],"defaultStatus":"affected","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux for NVIDIA 26","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/7
{"collectionURL":"https://gitlab.com/qemu-project/qemu","defaultStatus":"unaffected","packageName":"qemu","versions":[{"lessThanOrEqual":"11.0.1","status":"affected","version":"1.1.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unknown","packageName":"qemu-kvm-ma","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"rhcos","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/8
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"unknown","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9::appstream"],"defaultStatus":"affected","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"17:10.1.0-17.el9_8.4","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"virt:rhel/qemu-kvm","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/6
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"unknown","packageName":"qemu-kvm","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-122","description":"Heap-based Buffer Overflow","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"RHSA-2026:39311","tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:39311"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/references/0
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-48914"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/references/1
{"name":"RHBZ#2488283","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2488283"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/references/2
{"url":"https://lore.kernel.org/qemu-devel/20260526154957.1741622-1-stefanha@redhat.com/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3a845c859a83d3f2d698dc6fe6db34992a159008ad5705e33905260b80db2beb · sha256:13ec5372cf0e0151… · /containers/cna/references/3

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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