Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: net: hso: Fix null-ptr-deref during tty device unregistration Multiple tty devices attempt to claim the same minor number, resulting in a double unregistration of the same device. The first unregistration succeeds, but the next...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tty: ttybuffer: Fixed the soft lockup issue in flushtoldisc. When running the ltp testcase ltp/testcases/kernel/pty/pty04.c with arm64, there is a soft lockup. The detailed call trace is as follows: Workqueue: eventsunbound →...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: serial: Fixed the race condition where tty-port wasn’t set. The commit bfc467db60b7 “serial: removed redundant ttyportlinkdevice” was reverted because ttyportlinkdevice isn’t redundant. We need to configure tty-port before callin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: ngsm: requires CAPNETADMIN to attach NGSM0710 ldisc. Any unprivileged user can attach to NGSM0710 ldisc, but it still requires CAPNETADMIN to create a GSM network. Additionally, it requires the initial namespace setting of...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Fix freeirq on remove Pass the correct devid to freeirq to avoid this error when the driver is unbound. WARNING: CPU: 0, PID: 30, at kernel/irq/manage.c:1895 – freeirq Trying to free an already freed IRQ 65. Call...

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...

UBUNTU-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

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...

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...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-43458

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2026-7154

A weakness has been identified in Totolink A8000RU 7.1cu.643b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument ttyserver can lead to os command injection. The attack can be launched...

CVE-2026-7154 Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection

A weakness has been identified in Totolink A8000RU 7.1cu.643b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument ttyserver can lead to os command injection. The attack can be launched...

EUVD-2026-25918

A weakness has been identified in Totolink A8000RU 7.1cu.643b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument ttyserver can lead to os command injection. The attack can be launched...

CVE-2026-7154 Totolink A8000RU CGI cstecgi.cgi setAdvancedInfoShow os command injection

A weakness has been identified in Totolink A8000RU 7.1cu.643b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument ttyserver can lead to os command injection. The attack can be launched...

CVE-2026-7154

Technical details about CVE-2026-7154 are not publicly available in the provided documents. No confirmed affected products, versions, or fixes are stated here. Monitor for updates from official advisories.

PT-2026-35524

A weakness has been identified in Totolink A8000RU 7.1cu.643 b20200521. This affects the function setAdvancedInfoShow of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument tty server can lead to os command injection. The attack can be launched...