Vulnerabilities

Vulnerability · CVE-2026-98404

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() Smatch complains th…

Published Oct 14, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-98404. EPSS is 0.22%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium—
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Not established
Affected products
See sources for product scope

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() Smatch complains that returning a NULL here will lead to a NULL pointer dereference in drm_mode_addfb2(). Return an error pointer instead.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-98404

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-98404. EPSS is 0.22%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 14, 2026 · Tenable CVE Database

    Detected

    In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() Smatch complains that returning a NULL here will lead to a NULL pointer dereference in drm_mode_addfb2(). Return an error pointer instead.

Sources

  • CVE.orgVulnerability recordCVE-2026-98404

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-98404

    30-day exploitation probability 0.2%

    first.org
  • Tenable CVE DatabaseVulnerability recordCVE-2026-98404

    In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() Smatch complains that returning a NULL here will lead to a NULL pointer dereference in drm_mode_addfb2(). Return an error pointer instead.

    tenable.com

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.