CVE-2022-49374

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> tipc: check attribute length for bearer name<br /> <br /> syzbot reported uninit-value:<br /> =====================================================<br /> BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline]<br /> BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725<br /> string_nocheck lib/vsprintf.c:644 [inline]<br /> string+0x4f9/0x6f0 lib/vsprintf.c:725<br /> vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806<br /> vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158<br /> vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256<br /> vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283<br /> vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50<br /> _printk+0x18d/0x1cf kernel/printk/printk.c:2293<br /> tipc_enable_bearer net/tipc/bearer.c:371 [inline]<br /> __tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033<br /> tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042<br /> genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]<br /> <br /> - Do sanity check the attribute length for TIPC_NLA_BEARER_NAME.<br /> - Do not use &amp;#39;illegal name&amp;#39; in printing message.