Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: holding the 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 faulty access occurs on tty-link-port. A...

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

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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the serial CAIF component not properly holding the tty-link reference during operations like...