Linux Distros 未修补的漏洞：CVE-2022-50442
critical Nessus 插件 ID 269602
语言：
简介
Linux/Unix 主机上安装的一个或多个程序包存在漏洞，但供应商表示不会修补此漏洞。描述
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。- fs/ntfs3当解析索引时验证缓冲区长度 当某些 NTFS 目录操作需要来自索引缓冲区的更多信息时会调用 indx_read。这会添加健全性检查以确保返回的索引缓冲区长度合法否则可能会发生一些越界内存访问问题。 [ 560.897595] BUGKASANhdr_find_e.isra.0+0x10c/0x320 中的 slab 越界 [ 560.898321] 通过任务 exp/245 在地址 ffff888009497238 读取大小为 2 的数据 [ 560.898760] [ 560.899129] CPU 0 PID: 245 Commexp 未受感染 6.0.0-rc6 #37 [ 560.899505] 硬件名称QEMU Standard PC (i440FX + PIIX,1996)BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu。 org 04/01/2014 [ 560.900170] 调用跟踪[ 560.900407] <TASK> [560.900732] dump_stack_lvl+0x49/0x63 [ 560.901108] print_report.cold+0xf5/0x689 [ 560.901395] ? hdr_find_e.isra.0+0x10c/0x320 [ 560.901716] kasan_report+0xa7/0x130 [ 560.901950] ? hdr_find_e.isra.0+0x10c/0x320 [ 560.902208] __asan_load2+0x68/0x90 [ 560.902427] hdr_find_e.isra.0+0x10c/0x320 [ 560.902846] ? cmp_uints+0xe0/0xe0 [ 560.903363] ? cmp_sdh+0x90/0x90 [560.903883] ? ntfs_bread_run+0x190/0x190 [ 560.904196] ? rwsem_down_read_slowpath+0x750/0x750 [560.904969] ? ntfs_fix_post_read+0xe0/0x130 [ 560.905259] ? __kasan_check_write+0x14/0x20 [ 560.905599] ? up_read+0x1a/0x90 [ 560.905853] ? indx_read+0x22c/0x380 [ 560.906096] indx_find+0x2ef/0x470 [ 560.906352] ? indx_find_buffer+0x2d0/0x2d0 [ 560.906692] ? __kasan_kmalloc+0x88/0xb0 [ 560.906977] dir_search_u+0x196/0x2f0 [ 560.907220] ? ntfs_nls_to_utf16+0x450/0x450 [ 560.907464] ?
__kasan_check_write+0x14/0x20 [ 560.907747] ? mutex_lock+0x8f/0xe0 [ 560.907970] ?
__mutex_lock_slowpath+0x20/0x20 [ 560.908214] ? kmem_cache_alloc+0x143/0x4b0 [ 560.908459] ntfs_lookup+0xe0/0x100 [ 560.908788] __lookup_slow+0x116/0x220 [ 560.909050] ? lookup_fast+0x1b0/0x1b0 [560.909309] ? lookup_fast+0x13f/0x1b0 [ 560.909601] walk_component+0x187/0x230 [ 560.909944] link_path_walk.part.0+0x3f0/0x660 [ 560.910285] ? handle_lookup_down+0x90/0x90 [ 560.910618] ? path_init+0x642/0x6e0 [ 560.911084] ? percpu_counter_add_batch+0x6e/0xf0 [ 560.912559] ?
__alloc_file+0x114/0x170 [ 560.913008] path_openat+0x19c/0x1d10 [ 560.913419] ? getname_flags+0x73/0x2b0 [560.913815] ? kasan_save_stack+0x3a/0x50 [ 560.914125] ? kasan_save_stack+0x26/0x50 [ 560.914542] ?
__kasan_slab_alloc+0x6d/0x90 [ 560.914924] ? kmem_cache_alloc+0x143/0x4b0 [ 560.915339] getname_flags+0x73/0x2b0 [ 560.915647] ? getname+0x12/0x20 [ 560.916114] ? __x64_sys_open+0x4c/0x60 [560.916460] ? path_lookupat.isra.0+0x230/0x230 [ 560.916867] ? __isolate_free_page+0x2e0/0x2e0 [560.917194] do_filp_open+0x15c/0x1f0 [ 560.917448] ? may_open_dev+0x60/0x60 [ 560.917696] ? expand_files+0xa4/0x3a0 [ 560.917923] ? __kasan_check_write+0x14/0x20 [ 560.918185] ?
_raw_spin_lock+0x88/0xdb [ 560.918409] ? _raw_spin_lock_irqsave+0x100/0x100 [ 560.918783]
_find_next_bit+0x4a/0x130 [ 560.919026] ? _raw_spin_unlock+0x19/0x40 [ 560.919276] ? alloc_fd+0x14b/0x2d0 [ 560.919635] do_sys_openat2+0x32a/0x4b0 [ 560.920035] ? file_open_root+0x230/0x230 [ 560.920336] ?
__rcu_read_unlock+0x5b/0x280 [ 560.920813] do_sys_open+0x99/0xf0 [ 560.921208] ? filp_open+0x60/0x60 [560.921482] ? exit_to_user_mode_prepare+0x49/0x180 [ 560.921867] __x64_sys_open+0x4c/0x60 [ 560.922128] do_syscall_64+0x3b/0x90 [ 560.922369] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 560.923030] RIP
0033:0x7f7dff2e4469 [ 560.923681] Code00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8 [8b 4c 24 560.924451] RSP002b:00007ffd41a210b8 EFLAGS
00000206 ORIG_RAX: 0000000000000002 [ 560.925168] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007f7dff2e4469 [ 560.925655] RDX: 000000000000000 RSI: 0000000000000002 RDI ---truncated--- (CVE-2022-50442)
请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。
解决方案
目前尚未有任何已知的解决方案。另见
插件详情
严重性: Critical
ID: 269602
文件名: unpatched_CVE_2022_50442.nasl
版本: 1.1
类型: local
代理: unix
系列: Misc.
发布时间: 2025/10/8
最近更新时间: 2025/10/8
支持的传感器: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
风险信息
VPR
风险因素: Medium
分数: 6.7
CVSS v2
风险因素: High
基本分数: 7.5
时间分数: 5.5
矢量: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS 分数来源: CVE-2022-50442
CVSS v3
风险因素: Critical
基本分数: 9.8
时间分数: 8.5
矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
漏洞信息
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:linux
必需的 KB 项: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier
易利用性: No known exploits are available
漏洞发布日期: 2025/10/1
参考资料信息
CVE: CVE-2022-50442