CVE-2025-38462

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> vsock: Fix transport_{g2h,h2g} TOCTOU<br /> <br /> vsock_find_cid() and vsock_dev_do_ioctl() may race with module unload.<br /> transport_{g2h,h2g} may become NULL after the NULL check.<br /> <br /> Introduce vsock_transport_local_cid() to protect from a potential<br /> null-ptr-deref.<br /> <br /> KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]<br /> RIP: 0010:vsock_find_cid+0x47/0x90<br /> Call Trace:<br /> __vsock_bind+0x4b2/0x720<br /> vsock_bind+0x90/0xe0<br /> __sys_bind+0x14d/0x1e0<br /> __x64_sys_bind+0x6e/0xc0<br /> do_syscall_64+0x92/0x1c0<br /> entry_SYSCALL_64_after_hwframe+0x4b/0x53<br /> <br /> KASAN: null-ptr-deref in range [0x0000000000000118-0x000000000000011f]<br /> RIP: 0010:vsock_dev_do_ioctl.isra.0+0x58/0xf0<br /> Call Trace:<br /> __x64_sys_ioctl+0x12d/0x190<br /> do_syscall_64+0x92/0x1c0<br /> entry_SYSCALL_64_after_hwframe+0x4b/0x53