The vulnerability of the xcan_write_frame() function in the drivers/net/can/xilinx_can.c module of the Linux kernel allows a hacker to cause a service failure.

The vulnerability of the xcanwriteframe function in the drivers/net/can/xilinxcan.c module of the Linux kernel lies in the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2025-39873: Use After Free

In the Linux kernel, the following vulnerability has been resolved: can: xilinxcan: xcanwriteframe: fix use-after-free of transmitted SKB canputechoskb takes ownership of the SKB and it may be freed during or after the call. However, xilinxcan xcanwriteframe keeps using SKB after the call. Fix th...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the xcanwriteframe function continuing to use a freed SKB after calling canputechoskb, which could lead to...