CVE-2026-63956

A flaw was found in the Linux kernel's cypressm8 USB serial driver. A malicious Universal Serial Bus USB device could report a packet size smaller than eight bytes for the interrupt-out endpoint. This can lead to memory corruption, specifically user-controlled slab corruption or a NULL-pointer...

CVE-2026-63902

A flaw was found in the Linux kernel's cypressm8 USB serial driver. This vulnerability allows a local attacker to cause a denial of service DoS due to an out-of-bounds read. The cypressreadintcallback function does not properly validate the length of interrupt packets, leading to attempts to read...

SUSE CVE-2026-63902

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

SUSE CVE-2026-63956

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

Linux Distros Unpatched Vulnerability : CVE-2026-63956

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid...

Linux Distros Unpatched Vulnerability : CVE-2026-63902

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format...

CVE-2026-63956

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-63902

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

CVE-2026-63956

The CVE-2026-63956 entry describes a Linux kernel vulnerability in USB serial for Cypress M8 devices. The issue occurs when the interrupt-out endpoint max packet size is smaller than eight bytes, enabling potential user-controlled slab corruption or NULL-pointer dereference if a malicious device ...

EUVD-2026-45729

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-63956

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-63956 USB: serial: cypress_m8: fix memory corruption with small endpoint

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-63956 USB: serial: cypress_m8: fix memory corruption with small endpoint

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: fix memory corruption with small endpoint Make sure that the interrupt-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption or NULL-pointer dereference should a...

CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

CVE-2026-63902

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

CVE-2026-63902 USB: serial: cypress_m8: validate interrupt packet headers

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

EUVD-2026-45675

In the Linux kernel, the following vulnerability has been resolved: USB: serial: cypressm8: validate interrupt packet headers cypressreadintcallback parses the interrupt-in buffer according to the selected Cypress packet format. Format 1 has a two-byte status/count header and format 2 has a...

PT-2026-61273

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory corruption issue exists in the cypress m8 USB serial driver. A malicious device reporting an interrupt-out endpoint max packet size of less than eight bytes can trigger...

PT-2026-61219

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the cypress read int callback function where the system fails to validate interrupt packet headers before reading them. The function parses the interrupt-in buffer bas...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000866)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000866 advisory. drivers/usb/serial/cypressm8.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service NULL pointer dereference and syste...