Linux kernel DoS

The vulnerability in the drivers/net/can/usb/f81604.c component of the Linux kernel is related to a lack of a reference to an active allocated resource. Exploitation of this vulnerability may allow an attacker to cause a denial of service...

can: usb: f81604: handle short interrupt urb messages properly

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CVE-2026-23347

A flaw was found in the Linux kernel's can: usb: f81604 driver. When a USB Request Block urb is submitted, it is not correctly anchored in the read bulk callback. This oversight could lead to a resource leak if usbkillanchoredurbs is called, potentially resulting in a Denial of Service DoS due to...

SUSE CVE-2026-23334

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid...

CVE-2026-23334

A flaw was found in the Linux kernel's can: usb: f81604 module. This vulnerability arises when the system processes Universal Serial Bus USB interrupt request blocks URBs that are shorter than their expected length. Improper handling of these malformed messages could lead to unexpected system...

CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23347

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: correctly anchor the urb in the read bulk callback When submitting an urb, that is using the anchor pattern, it needs to be anchored before submitting it otherwise it could be leaked if usbkillanchoredurbs is...

CVE-2026-23334 can: usb: f81604: handle short interrupt urb messages properly

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid...

CVE-2026-23334 can: usb: f81604: handle short interrupt urb messages properly

In the Linux kernel, the following vulnerability has been resolved: can: usb: f81604: handle short interrupt urb messages properly If an interrupt urb is received that is not the correct length, properly detect it and don't attempt to treat the data as valid...

PT-2026-27699

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where interrupt urb messages of incorrect length are not properly handled. Specifically, the code does not correctly detect and reject short interrupt...