CVE-2026-98404: Linux kernel · drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create()
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 28 Oct 2026, 01:28 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Exploitation evidence
Disclosed: evidence found.
CVE published 14 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
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.
References
- ubuntu.com/security/CVE-2026-98404 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-98404 (opens in a new tab)
- git.kernel.org/stable/c/975f3cf302bb7d7336df4c630a7c07e12780ad10 (opens in a new tab)
- git.kernel.org/stable/c/974845d2535a250b180e62f9ed50284f312c01a3 (opens in a new tab)
- git.kernel.org/stable/c/07de0b31dd64094cd7d25729beaf2ecae74daa72 (opens in a new tab)
- git.kernel.org/stable/c/45dc2788a5b0e1e2824d1f98af521bd3acc340d7 (opens in a new tab)
- git.kernel.org/stable/c/f1050a7d365283678b253828739d3866ae546a72 (opens in a new tab)
- git.kernel.org/stable/c/5eda6cda0031ba17559d56882353be39e568ec09 (opens in a new tab)
- git.kernel.org/stable/c/94579f24e2b526a04eb41050af0ba018c6f528e7 (opens in a new tab)
- git.kernel.org/stable/c/3fe8a33715265ecb24ca0bcd0a575c926da4277c (opens in a new tab)