CVE-2026-90188

CVE-2026-90188 affects the Linux kernel 's null_blk block driver. When shared_tags is enabled, null_setup_tagset() allocates a global tag_set via null_init_global_tag_set(). If device creation subsequently fails, the err_dev error path destroys the default devices and calls unregister_blkdev() bu...

EUVD-2026-81781

In the Linux kernel, the following vulnerability has been resolved: nullblk: free global tagset on init error path If sharedtags is enabled, nullsetuptagset allocates the global tagset via nullinitglobaltagset. If device creation later fails, errdev destroys the default devices and calls...