CVE-2026-53262

CVE-2026-53262 affects the Linux kernel ioctl path for the pppol2tp module (l2tp) where pppol2tp_ioctl() dereferenced sock->sk->sk_user_data without proper locking while a sleep could occur during copy_from_user(). If a concurrent socket close happened, l2tp_session_close() could free the s...

DEBIAN-CVE-2022-48821

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: avoid double fput on failed usercopy If the copy back to userland fails for the FASTRPCIOCTLALLOCDMABUFF ioctl, we shouldn't assume that 'buf-dmabuf' is still valid. In fact, dmabuffd called fdinstall before, i.e...