Denial of service

A denial of service vulnerability was found in nttyreceivecharspecial in drivers/tty/ntty.c of the Linux kernel. In this flaw a local attacker with a normal user privilege could delay the loop due to a changing ldata-readhead, and a missing sanity check and cause a threat to the system availabili...

CVE-2021-20219

CVE-2021-20219: Linux kernel DoS in n_tty_receive_char_special (drivers/tty/n_tty.c). Local attacker with unprivileged user can delay the loop (ldata->read_head changes) due to a missing sanity check, impacting availability. The initial doc does not specify affected kernel versions, patches, o...

CVE-2020-8648

There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the nttyreceivebufcommon function in drivers/tty/ntty.c...

EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1500)

According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - The IPv6 DCCP implementation in the Linux kernel mishandles inheritance, which allows local users to cause a denial of...

SUSE SLES11 Security Update : kernel (SUSE-SU-2019:13937-1)

The SUSE Linux Enterprise 12 SP3 kernel was updated to 3.0.101 to receive various security and bugfixes. The following security bugs were fixed : CVE-2018-9516: In hiddebugeventsread of drivers/hid/hid-debug.c, there is a possible out of bounds write due to a missing bounds check. This could lead...

CVE-2018-18386

The CVE-2018-18386 issue affects the Linux kernel up to version 4.14.10, in drivers/tty/n_tty.c, where an EXTPROC vs ICANON confusion in TIOCINQ allows local attackers with access to pseudo terminals to hang or block further use of any PTY. The root cause is a terminal/TTY handling inconsistency,...

Linux Kernel drivers/char/n_tty.c驱动空指针引用拒绝服务漏洞

BUGTRAQ ID: 37147 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel所使用的drivers/char/ntty.c驱动中存在空指针引用漏洞： / nttyclose - close the ldisc for this tty @tty: device Called from the terminal layer when this line discipline is being shut down, either because of a close or becsuse of a discipline change. Th...

CVE-2005-0530

Signedness error in the copyfromreadbuf function in ntty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memory via a negative argument...

security flaw

Signedness error in the copyfromreadbuf function in ntty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memory via a negative argument...

CVE-2005-0530

CVE-2005-0530 is a signedness error in the copy_from_read_buf function in n_tty.c of the Linux kernel (affected: 2.6.10 and 2.6.11rc1) that allows local users to read kernel memory via a negative argument. The vulnerability is documented across multiple advisories, including Red Hat (RHSA-2005:36...