kernel: possible race condition in drivers/tty/tty_buffers.c

An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flushtoldisc function. This flaw allows a local user to crash the...

PT-2025-49477

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free UAF issue exists in the vc screen component of the Linux kernel. The flaw occurs in the vcs write function when a pointer to the vc data structure is not reloaded after ...

VulnCheck KEV: CVE-2014-0196

Linux Kernel contains a race condition vulnerability within the nttywrite function that allows local users to cause a denial-of-service DoS or gain privileges via read and write operations with long strings...

kernel: possible race condition in drivers/tty/tty_buffers.c

An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flushtoldisc function. This flaw allows a local user to crash the...

SUSE CVE-2023-31083

An issue was discovered in drivers/bluetooth/hcildisc.c in the Linux kernel 6.2. In hciuartttyioctl, there is a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO. HCIUARTPROTOSET is set before hu-proto is set. A NULL pointer dereference may occur...

UBUNTU-CVE-2023-31082

An issue was discovered in drivers/tty/ngsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmldwrite, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability...

Code injection

An issue was discovered in drivers/tty/ngsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmldwrite, which will block the kernel...

CVE-2023-31082

An issue was discovered in drivers/tty/ngsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmldwrite, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability...

Linux kernel 代码问题漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A denial of service vulnerability exists in Linux kernel version 6.2, which originates from a race condition between HCIUARTSETPROTO and HCIUARTGETPROTO in hciuartttyioctl in...

CVE-2023-31082: Release of Invalid Pointer or Reference

An issue was discovered in drivers/tty/ngsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmldwrite, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability...

CVE-2023-31082

An issue was discovered in drivers/tty/ngsm.c in the Linux kernel 6.2. There is a sleeping function called from an invalid context in gsmldwrite, which will block the kernel. Note: This has been disputed by 3rd parties as not a valid vulnerability...

PT-2023-2679

Name of the Vulnerable Software and Affected Versions Linux kernel version 6.2 Description The issue is related to a race condition in the hci uart tty ioctl function between HCIUARTSETPROTO and HCIUARTGETPROTO commands in the drivers/bluetooth/hci ldisc.c module. This can lead to a NULL pointer...

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open() aka a race condition between vcc_open() and vcc_remove().

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The vulnerability in the driver/tty/vcc.c component of the Linux operating system’s kernel allows a attacker to compromise the integrity and accessibility of protected information.

The vulnerability in the drivers/tty/vcc.c component of the Linux operating system’s kernel arises due to synchronization errors when using a shared resource. Exploiting this vulnerability can allow an attacker to compromise the integrity and accessibility of protected information...

CVE-2023-23039

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open, aka a race condition between vccopen and vccremove...

CVE-2023-23039

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open, aka a race condition between vccopen and vccremove...

CVE-2023-23039: Concurrent Execution using Shared Resource with Improper Synchronization

An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open, aka a race condition between vccopen and vccremove...

K17270: OpenSSH vulnerability CVE-2015-6565

Security Advisory Description sshd in OpenSSH 6.8 and 6.9 uses world-writable permissions for TTY devices, which allows local users to cause a denial of service terminal disruption or possibly have unspecified other impact by writing to a device, as demonstrated by writing an escape sequence...

K15319: Linux kernel TTY vulnerability CVE-2014-0196

Security Advisory Description The nttywrite function in drivers/tty/ntty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service memory corruption and system crash or gain privileges by...

K03310902: Multiple Linux vulnerabilities CVE-2020-8647,CVE-2020-8648, CVE-2020-8649

Security Advisory Description CVE-2020-8647 There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vcdoresize function in drivers/tty/vt/vt.c. CVE-2020-8648 There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the nttyreceivebufcommon function in...