CVE-2026-72693

openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the underlying TTY...

EUVD-2026-55978

openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the underlying TTY...

CVE-2026-72693 Kbd: local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login

openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the underlying TTY...

CVE-2026-72693 Kbd: local privilege escalation in openvt via incorrect process owner verification allowing passwordless root login

openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the underlying TTY...

CVE-2026-72693

openvt -u is intended to identify the owner of the current VT and then execute login as that user from a privileged context. In the documented kbrequest/init usage, the ownership test in authenticateuser relies on stat"/proc//fd/0". stat on /proc//fd/0 follows the symlink to the underlying TTY...

EUVD-2026-55289

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in settermios rfcommttysettermios tests dlc-session without rfcommmutex and later passes the pointer to rfcommsendrpn. The latter dereferences both session-initiator and session-sock. Meanwhile,...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: serial: caif: Fix use-after-free in caifSerial ldiscClose There is a use-after-free bug in caifSerial where handletx may access ser-tty after tty has been freed. The race condition occurs between ldiscClose and packet transmissio...

CVE-2026-64234

A flaw was found in the Linux kernel's tty subsystem, specifically within the pchuart serial driver. This vulnerability occurs due to a missing check for the return value of dmaalloccoherent. An attacker could potentially exploit this to trigger a NULL pointer dereference in the dmahandlerx...

CVE-2026-64234

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pchuart: add check for dmaalloccoherent Add a check for dmaalloccoherent failure to prevent a potential NULL pointer dereference in dmahandlerx. Properly release DMA channels and the PCI device reference using a goto...

CVE-2026-64528

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung: Remove redundant port lock acquisition in rx helpers Sashiko identified a deadlock when the console flow is engaged 1. When console flow control is enabled UPFCONSFLOW, s3c24xxserialstoptx calls...

UBUNTU-CVE-2026-64234

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pchuart: add check for dmaalloccoherent Add a check for dmaalloccoherent failure to prevent a potential NULL pointer dereference in dmahandlerx. Properly release DMA channels and the PCI device reference using a goto...

SUSE CVE-2026-64336

In the Linux kernel, the following vulnerability has been resolved: USB: serial: keyspanpda: fix information leak The write callback is supposed to return the number of characters accepted or a negative errno. Since the addition of write fifo support the keyspanpda implementation will however...

CVE-2026-64528 tty: serial: samsung: Remove redundant port lock acquisition in rx helpers

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung: Remove redundant port lock acquisition in rx helpers Sashiko identified a deadlock when the console flow is engaged 1. When console flow control is enabled UPFCONSFLOW, s3c24xxserialstoptx calls...

CVE-2026-64528

In the Linux kernel, the following vulnerability has been resolved: tty: serial: samsung: Remove redundant port lock acquisition in rx helpers Sashiko identified a deadlock when the console flow is engaged 1. When console flow control is enabled UPFCONSFLOW, s3c24xxserialstoptx calls...

DEBIAN-CVE-2026-64234

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pchuart: add check for dmaalloccoherent Add a check for dmaalloccoherent failure to prevent a potential NULL pointer dereference in dmahandlerx. Properly release DMA channels and the PCI device reference using a goto...

CVE-2026-64234 tty: serial: pch_uart: add check for dma_alloc_coherent()

In the Linux kernel, the following vulnerability has been resolved: tty: serial: pchuart: add check for dmaalloccoherent Add a check for dmaalloccoherent failure to prevent a potential NULL pointer dereference in dmahandlerx. Properly release DMA channels and the PCI device reference using a goto...

USN-8604-1 linux-azure-6.17 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

USN-8604-1: Linux kernel (Azure) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Foo-over-UDP FOU; - ARM64 architecture; - x86 architecture; - Block layer subsystem; - Cryptographic API; - Drivers...

PT-2026-64349

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential NULL pointer dereference exists in the dma handle rx function. This occurs because the system fails to check for the failure of the dma alloc coherent function, which is used...

SUSE CVE-2026-53082

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: 6pack: fix uninit-value in sixpackreceivebuf sixpackreceivebuf does not properly skip bytes with TTY error flags. The while loop iterates through the flags buffer but never advances the data pointer cp, and passes...