CVE-2026-93286

*** Pendiente de traducción *** In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net: appletalk: fix NULL pointer dereference in aarp_send_ddp()<br /> <br /> aarp_send_ddp() calls atalk_find_dev_addr(dev) in the LocalTalk fast<br /> path without checking for NULL. When the device has no AppleTalk<br /> interface configured (dev-&gt;atalk_ptr == NULL), this leads to a NULL<br /> pointer dereference at the at-&gt;s_net access.<br /> <br /> KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]<br /> RIP: 0010:aarp_send_ddp (net/appletalk/aarp.c:552 (discriminator 2))<br /> Call Trace:<br /> <br /> atalk_sendmsg (net/appletalk/ddp.c:1715)<br /> __sys_sendto (net/socket.c:2265 (discriminator 1))<br /> __x64_sys_sendto (net/socket.c:2272)<br /> do_syscall_64 (arch/x86/entry/syscall_64.c:94)<br /> entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)<br /> <br /> Add a NULL check consistent with the other callers of<br /> atalk_find_dev_addr().