USB: serial: kl5kusb105: fix bulk-out buffer overflow

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CVE-2026-53194

A flaw was found in the Linux kernel's kl5kusb105 USB serial driver. This buffer overflow vulnerability allows a local attacker to write data beyond the intended memory boundary if attacker controls USB device or driver, because triggered from the internals of the device. By sending a specially...

CVE-2026-53194

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

UBUNTU-CVE-2026-53194

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

CVE-2026-53194

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

CVE-2026-53194

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

CVE-2026-53194 USB: serial: kl5kusb105: fix bulk-out buffer overflow

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

EUVD-2026-39285

In the Linux kernel, the following vulnerability has been resolved: USB: serial: kl5kusb105: fix bulk-out buffer overflow klsi105preparewritebuffer is called by the generic write path with the bulk-out buffer and its size bulkoutsize, 64 bytes. It stores a two-byte length header at the start of t...

CVE-2026-53194

The CVE-2026-53194 entry covers a defect in the Linux kernel USB serial driver kl5kusb105 (klsi_105_prepare_write_buffer). The bug occurs when the generic write path uses the bulk-out buffer (size 64) and copies the payload from the write_fifo without reserving space for the 2-byte header, result...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003278)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003278 advisory. The klsi105getlinestate function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon ...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002993)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002993 advisory. The klsi105getlinestate function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon ...

SUSE CVE-2017-5549

The klsi105getlinestate function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log...

USN-3208-1: Linux kernel vulnerabilities

It was discovered that the generic SCSI block layer in the Linux kernel did not properly restrict write operations in certain situations. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges. CVE-2016-10088 CAI Qian discovered that t...

DEBIAN-CVE-2017-5549

The klsi105getlinestate function in drivers/usb/serial/kl5kusb105.c in the Linux kernel before 4.9.5 places uninitialized heap-memory contents into a log entry upon a failure to read the line status, which allows local users to obtain sensitive information by reading the log...

CVE-2017-5549

It was found that current implementation of kl5kusb105 driver failed to detect short transfers when attempting to read the line state and logged the content of the uninitialized heap transfer buffer...