CVE-2026-23149
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
14/02/2026
Last modified:
14/02/2026
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
drm: Do not allow userspace to trigger kernel warnings in drm_gem_change_handle_ioctl()<br />
<br />
Since GEM bo handles are u32 in the uapi and the internal implementation<br />
uses idr_alloc() which uses int ranges, passing a new handle larger than<br />
INT_MAX trivially triggers a kernel warning:<br />
<br />
idr_alloc():<br />
...<br />
if (WARN_ON_ONCE(start