CVE-2026-98404
Published Oct 14, 2026
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.
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References
Other References
https://git.kernel.org/stable/c/07de0b31dd64094cd7d25729beaf2ecae74daa72
https://git.kernel.org/stable/c/3fe8a33715265ecb24ca0bcd0a575c926da4277c
https://git.kernel.org/stable/c/45dc2788a5b0e1e2824d1f98af521bd3acc340d7
https://git.kernel.org/stable/c/5eda6cda0031ba17559d56882353be39e568ec09
https://git.kernel.org/stable/c/94579f24e2b526a04eb41050af0ba018c6f528e7
https://git.kernel.org/stable/c/974845d2535a250b180e62f9ed50284f312c01a3
https://git.kernel.org/stable/c/975f3cf302bb7d7336df4c630a7c07e12780ad10
https://git.kernel.org/stable/c/f1050a7d365283678b253828739d3866ae546a72
Frequently Asked Questions
What is 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 that returning a NULL here will lead to a NULL pointer
dereference in drm_mode_addfb2(). Return an error pointer instead.
How do I check if I'm vulnerable to CVE-2026-98404? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.