EUVD-2026-55280

In the Linux kernel, the following vulnerability has been resolved: misc: nsm: only unlock nsmdev on post-lock error paths nsmdevioctl jumps to the common out label even when the initial copyfromuser fails before nsm-lock has been taken. The error path then blindly unlocks a mutex that was never...

CVE-2026-68179

The CVE-2026-68179 issue in the Linux kernel’s misc: nsm path occurs when nsm_dev_ioctl() takes the common cleanup path after a pre-lock copy_from_user() failure, leading to an unlock of a mutex that was never acquired. The fix is to return immediately on pre-lock copy_from_user() failure and res...