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。

  - gtp修复 __gtp_encap_destroy() 中的释放后使用。 syzkaller 报告了 中的释放后使用
    __gtp_encap_destroy()。 [0] 这显示同一进程非法释放了 sk 和 touch it。提交 e198987e7dd7gtp修复可疑的 RCU 使用在中添加了 lock_sock() 和 release_sock()
    __gtp_encap_destroy() 以保护 sk->sk_user_data但会在 sock_put() 释放最后一个 refcnt 之后调用 release_sock()。 [0]BUGKASANinstrument_atomic_read_write include/linux/instrumented.h:96 中的 slab-use-after-free [内联] BUGKASANatomic_try_cmpxchg_acquire include/linux/atomic/atomic- 中存在 slab-use-after-free Instrumented.h:541 [内联] BUGKASANqueued_spin_lock include/asm-generic/qspinlock.h:111 [内联] BUGKASANdo_raw_spin_lock include/ 中存在 slab-use-after-free linux/spinlock.h:186 [内联] 缺陷KASAN中的 slab-use-after-free
    __raw_spin_lock_bh include/linux/spinlock_api_smp.h:127 [内联] 缺陷KASAN中的 slab 释放后使用
    6.4.0-rc5 -01219-gfa0e21fa4443 #2 硬件名称QEMU Standard PC (i440FX + PIIX,1996)BIOS rel-1.16.0-0-gd239552ce722-prebuilt.qemu.org04/01/2014 调用跟踪 <TASK> __dump_stack lib/dump_stack。 c:88 [inline] dump_stack_lvl+0x72/0xa0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0xcc/0x620 mm/kasan/report.c:462 kasan_report+0xb2/0xe0 mm/kasan/report.c:572 check_region_inline mm/kasan/generic.c:181 [内联] kasan_check_range+0x39/0x1c0 mm/kasan/generic.c:187 Instrument_atomic_read_write include/linux/instrumented.h:96 [内联] atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:541 [内联] queued_spin_lock include/asm-generic/qspinlock.h:111 [内联] do_raw_spin_lock include/linux/spinlock.h:186 [内联] __raw_spin_lock_bh include/linux/spinlock_api_smp 。 h:127 [inline] _raw_spin_lock_bh+0x75/0xe0 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] release_sock+0x1f/0x1a0 net/core/sock.c:3526 gtp_encap_disable_sock drivers/ net/gtp.c:651 [内联] gtp_encap_disable+0xb9/0x220 drivers/net/gtp.c:664 gtp_dev_uninit+0x19/0x50 drivers/net/gtp.c:728 unregister_netdevice_many_notify+0x97e/0x1520 net/core/dev.c :10841 rtnl_delete_link net/core/rtnetlink.c:3216 [内联] rtnl_dellink+0x3c0/0xb30 net/core/rtnetlink.c:3268 rtnetlink_rcv_msg+0x450/0xb10 net/core/rtnetlink.c:6423 netlink_rcv_skb+0x15d/0x450 net/ netlink/af_netlink.c:2548 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [内联] netlink_unicast+0x700/0x930 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x91c/0xe30 net/netlink/af_netlink.c:1913 sock_sendmsg_nosec net /socket.c:724 [内联] sock_sendmsg+0x1b7/0x200 net/socket.c:747____sys_sendmsg+0x75a/0x990 net/socket.c:2493
    ___sys_sendmsg+0x11d/0x1c0 net/socket.c:2547 __sys_sendmsg+0xfe/0x1d0 net/socket.c:2576 do_syscall_x64 arch/x86/entry/common.c:50 [内联] do_syscall_64+0x3f/0x90 arch/x86/entry/ common.c:80 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP0033:0x7f1168b1fe5d 代码 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 89 dca 4 c2 89 dca 4 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 73 9f 1b 00 f7 d8 64 89 01 48 RSP: 002b:00007f1167edccc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004bbf80 RCX 00007f1168b1fe5d RDX
    0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 00000000004bbf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13:
    000000000000000b R1400007f1168b80530 R150000000000000000 </TASK> 由任务 1483 分配
    kasan_save_stack+0x22/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
    __kasan_slab_alloc+0x ---truncated--- (CVE-2023-54142)

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-2023-54142

high Nessus 插件 ID 280042

版本 1.15