Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - ila不在 ila_xlat_nl_cmd_get_mapping() 中生成空消息 ila_xlat_nl_cmd_get_mapping() 生成空 skb从而触发近期的健全性检查 [1]。而是返回错误代码以便用户空间可以获取它。 [1] skb_assert_len 警告CPU: 0 PID5923 at include/linux/skbuff.h:2527 skb_assert_len include/linux/skbuff.h:2527 [内联] 警告CPU: 0 PID5923 at include/linux/skbuff。 h:2527 __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156 模块中链接的 CPU: 0 PID: 5923 Comm: syz-executor269 Not tainted 6.2.0-syzkaller-18300-g2ebd1fbb946d #0 硬件名称 Google Google Compute Engine/Google Compute Engine、BIOS Google 01/21/2023 pstate60400005 (nZCv daif +PAN -UAO
    -TCO -DIT -SSBS BTYPE=--) pc skb_assert_len include/linux/skbuff.h:2527 [内联] pc
    __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156 lr skb_assert_len include/linux/skbuff.h:2527 [inline] lr : __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:4156 sp : ffff80001e0d6c40 x29
    ffff80001e0d6e60 x28: dfff800000000000 x27: ffff0000c86328c0 x26: dfff800000000000 x25: ffff0000c8632990 x24: ffff0000c8632a00 x23: 0000000000000000 x22: 1fffe000190c6542 x21: ffff0000c8632a10 x20:
    ffff0000c8632a00 x19: ffff80001856e000 x18: ffff80001e0d5fc0 x17: 0000000000000000 x16: ffff80001235d16c x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 x11:
    ff80800008353a30 x10: 0000000000000000 x9 : 21567eaf25bfb600 x8 : 21567eaf25bfb600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001e0d6558 x4 : ffff800015c74760 x3 : ffff800008596744 x2 :
    0000000000000001 x1 : 0000000000000000e 调用跟踪 skb_assert_len include/linux/skbuff.h:2527 [inline] __dev_queue_xmit+0x1bc0/0x3488 net/core/dev.c:415603_inqueueinclude __netlink_deliver_tap_skb net/netlink/af_netlink.c:307 [内联]
    __netlink_deliver_tap+0x45c/0x6f8 net/netlink/af_netlink.c:325 netlink_deliver_tap+0xf4/0x174 net/netlink/af_netlink.c:338 __netlink_sendskb net/netlink/af_netlink.c:1283 [内联] netlink_sendskb+0x6c/0x154 net/netlink/ af_netlink.c:1292 netlink_unicast+0x334/0x8d4 net/netlink/af_netlink.c:1380 nlmsg_unicast include/net/netlink.h:1099 [内联] genlmsg_unicast include/net/genetlink.h:433 [内联] genlmsg_reply include/net/ genetlink.h:443 [内联] ila_xlat_nl_cmd_get_mapping+0x620/0x7d0 net/ipv6/ila/ila_xlat.c:493 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [内联] genl_family_rcv_msg net/netlink/genetlink.c:1048 [内联] genl_rcv_msg+0x938/0xc1c net/netlink/genetlink.c:1065 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2574 genl_rcv+0x38/0x50 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c 1339 [内联] netlink_unicast+0x660/0x8d4 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x800/0xae0 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/so cket.c:714 [内联] sock_sendmsg net/socket.c:734 [内联]____sys_sendmsg+0x558/0x844 net/socket.c:2479 ___sys_sendmsg net/socket.c:2533 [内联] __sys_sendmsg+0x26c/0x33c net/socket .c:2562 __do_sys_sendmsg net/socket.c:2571 [内联] __se_sys_sendmsg net/socket.c:2569 [内联] __arm64_sys_sendmsg+0x80/0x94 net/socket.c:2569
    __invoke_syscall arch/arm64/kernel/syscall.c:38 [内联] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64 /0x198 arch/arm64/kernel/syscall.c:193 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync +0x190/0x194 arch/arm64/kernel/entry.S:591 irq 事件标记 136484 hardirqs 上次启用时间为 (136483)
    [<ffff800008350244>] __up_console_sem+0x60/0xb4 kernel/printk/printk.c:345 hardirqs last 禁用于 (136484): [<ffff800012358d60>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last于 (136418) 启用[<ffff800008020ea8>] softirq_ha ---truncated--- (CVE-2023-53141)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

检测

Linux Distros 未修补的漏洞：CVE-2023-53141

medium Nessus 插件 ID 245165

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