CVE-2026-43458

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifserial's TX path calls ttywriteroom. The faulting access is on tty-link-port. Hold an...

CVE-2026-43458 serial: caif: hold tty->link reference in ldisc_open and ser_release

In the Linux kernel, the following vulnerability has been resolved: serial: caif: hold tty-link reference in ldiscopen and serrelease A reproducer triggers a KASAN slab-use-after-free in ptywriteroom when caifserial's TX path calls ttywriteroom. The faulting access is on tty-link-port. Hold an...

CVE-2026-43458

The CVE affects the Linux kernel’s caif_serial line discipline. A use-after-free (KASAN slab UAF) could be triggered in pty_write_room() when the caif_serial TX path invokes tty_write_room(), accessing tty->link->port. Root cause: improper management of the tty->link reference during ldi...

PT-2026-39119

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A slab-use-after-free issue exists in the Linux kernel's caif serial line discipline. The problem occurs in the TX path when tty write room is called, leading to a faulting access on...

PT-2025-8375

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.4.143 Description A deadlock vulnerability has been identified in the Linux kernel. The issue arises when the pty write function invokes kmalloc, which may call printk to print a failure message, leading to a...