nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size

zetlyn/cve-redhat vulnerability cve CVE-2026-47561 known 2026-09-30

https://access.redhat.com/security/cve/CVE-2026-47561

Properties

cvss7.8
receipt
Source
Red Hat
Its words
7.8
Read by
field:cvss3_score
Said since
2026-10-02 12:01 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-47561",
  "CWE": "CWE-787",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2544016",
  "bugzilla_description": "nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size",
  "cvss3_score": "7.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-30T15:50:27Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-47561.json",
  "severity": "important"
}
cweCWE-787
receipt
Source
Red Hat
Its words
CWE-787
Read by
field:CWE
Said since
2026-10-02 12:01 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-47561",
  "CWE": "CWE-787",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2544016",
  "bugzilla_description": "nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size",
  "cvss3_score": "7.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-30T15:50:27Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-47561.json",
  "severity": "important"
}
severityimportant
A flaw that can easily compromise confidentiality, integrity or availability.
receipt
Source
Red Hat
Its words
important
Read by
field:severity
Said since
2026-10-02 12:01 UTC
Last answered
2026-10-04 18:16 UTC
Original
open at the source
What the source handed over
{
  "CVE": "CVE-2026-47561",
  "CWE": "CWE-787",
  "advisories": [],
  "affected_packages": [],
  "bugzilla": "2544016",
  "bugzilla_description": "nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size",
  "cvss3_score": "7.8",
  "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "cvss_score": null,
  "cvss_scoring_vector": null,
  "package_state": null,
  "public_date": "2026-09-30T15:50:27Z",
  "resource_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2026-47561.json",
  "severity": "important"
}

Text

nvidia-driver: xorg-x11-drv-nvidia: nvidia-driver: privilege escalation via unvalidated ioctl buffer size