CVE-2026-98404
drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create()
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.
INFO
Published Date :
Oct. 14, 2026, 2:17 p.m.
Last Modified :
Oct. 14, 2026, 2:17 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
- Patch the Linux kernel to fix virtio_gpu_user_framebuffer_create.
- Ensure error pointers are returned instead of NULL.
- Update your Linux kernel to the latest version.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-98404.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-98404 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-98404
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2026-98404 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-98404 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Oct. 14, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/98xxx/CVE-2026-98404.json">CVE-2026-98404</a> Added Reference https://git.kernel.org/stable/c/07de0b31dd64094cd7d25729beaf2ecae74daa72 Added Reference https://git.kernel.org/stable/c/3fe8a33715265ecb24ca0bcd0a575c926da4277c Added Reference https://git.kernel.org/stable/c/45dc2788a5b0e1e2824d1f98af521bd3acc340d7 Added Reference https://git.kernel.org/stable/c/5eda6cda0031ba17559d56882353be39e568ec09 Added Reference https://git.kernel.org/stable/c/94579f24e2b526a04eb41050af0ba018c6f528e7 Added Reference https://git.kernel.org/stable/c/974845d2535a250b180e62f9ed50284f312c01a3 Added Reference https://git.kernel.org/stable/c/975f3cf302bb7d7336df4c630a7c07e12780ad10 Added Reference https://git.kernel.org/stable/c/f1050a7d365283678b253828739d3866ae546a72