CVE-2022-50378— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于驱动程序卸载序列不当，可能导致释放后重用。
可能的 ATT&CK 技术 1 AI
T1059 · Command and Scripting Interpreter影响版本矩阵 12
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | e78ad18ba3658fbc8c63629e034b68d8e51acbf1< d76ff04a72f90767455059c8239b06042cd0ed23 |
affected |
e78ad18ba3658fbc8c63629e034b68d8e51acbf1< 9190d287f7a6b02b50b510045b0edf448ed68e88 |
affected | ||
e78ad18ba3658fbc8c63629e034b68d8e51acbf1< 9d33348513c36337f91f1991da23f41514d4de39 |
affected | ||
e78ad18ba3658fbc8c63629e034b68d8e51acbf1< 31c519981eb141c7ec39bfd5be25d35f02edb868 |
affected | ||
2777970add401e92d531a16dda30d84ec0831226 |
affected | ||
5.10.4< 5.11 |
affected | ||
5.11 |
affected | ||
< 5.11 |
unaffected | ||
| … +4 条更多 | |||
获取后续新漏洞提醒
登录后订阅
一、 漏洞 CVE-2022-50378 基础信息
漏洞信息
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
查看神龙十问 ↗
尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。
Vulnerability Title
drm/meson: reorder driver deinit sequence to fix use-after-free bug
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
drm/meson: reorder driver deinit sequence to fix use-after-free bug
Unloading the driver triggers the following KASAN warning:
[ +0.006275] =============================================================
[ +0.000029] BUG: KASAN: use-after-free in __list_del_entry_valid+0xe0/0x1a0
[ +0.000026] Read of size 8 at addr ffff000020c395e0 by task rmmod/2695
[ +0.000019] CPU: 5 PID: 2695 Comm: rmmod Tainted: G C O 5.19.0-rc6-lrmbkasan+ #1
[ +0.000013] Hardware name: Hardkernel ODROID-N2Plus (DT)
[ +0.000008] Call trace:
[ +0.000007] dump_backtrace+0x1ec/0x280
[ +0.000013] show_stack+0x24/0x80
[ +0.000008] dump_stack_lvl+0x98/0xd4
[ +0.000011] print_address_description.constprop.0+0x80/0x520
[ +0.000011] print_report+0x128/0x260
[ +0.000007] kasan_report+0xb8/0xfc
[ +0.000008] __asan_report_load8_noabort+0x3c/0x50
[ +0.000010] __list_del_entry_valid+0xe0/0x1a0
[ +0.000009] drm_atomic_private_obj_fini+0x30/0x200 [drm]
[ +0.000172] drm_bridge_detach+0x94/0x260 [drm]
[ +0.000145] drm_encoder_cleanup+0xa4/0x290 [drm]
[ +0.000144] drm_mode_config_cleanup+0x118/0x740 [drm]
[ +0.000143] drm_mode_config_init_release+0x1c/0x2c [drm]
[ +0.000144] drm_managed_release+0x170/0x414 [drm]
[ +0.000142] drm_dev_put.part.0+0xc0/0x124 [drm]
[ +0.000143] drm_dev_put+0x20/0x30 [drm]
[ +0.000142] meson_drv_unbind+0x1d8/0x2ac [meson_drm]
[ +0.000028] take_down_aggregate_device+0xb0/0x160
[ +0.000016] component_del+0x18c/0x360
[ +0.000009] meson_dw_hdmi_remove+0x28/0x40 [meson_dw_hdmi]
[ +0.000015] platform_remove+0x64/0xb0
[ +0.000009] device_remove+0xb8/0x154
[ +0.000009] device_release_driver_internal+0x398/0x5b0
[ +0.000009] driver_detach+0xac/0x1b0
[ +0.000009] bus_remove_driver+0x158/0x29c
[ +0.000009] driver_unregister+0x70/0xb0
[ +0.000008] platform_driver_unregister+0x20/0x2c
[ +0.000008] meson_dw_hdmi_platform_driver_exit+0x1c/0x30 [meson_dw_hdmi]
[ +0.000012] __do_sys_delete_module+0x288/0x400
[ +0.000011] __arm64_sys_delete_module+0x5c/0x80
[ +0.000009] invoke_syscall+0x74/0x260
[ +0.000009] el0_svc_common.constprop.0+0xcc/0x260
[ +0.000009] do_el0_svc+0x50/0x70
[ +0.000007] el0_svc+0x68/0x1a0
[ +0.000012] el0t_64_sync_handler+0x11c/0x150
[ +0.000008] el0t_64_sync+0x18c/0x190
[ +0.000018] Allocated by task 0:
[ +0.000007] (stack is not available)
[ +0.000011] Freed by task 2695:
[ +0.000008] kasan_save_stack+0x2c/0x5c
[ +0.000011] kasan_set_track+0x2c/0x40
[ +0.000008] kasan_set_free_info+0x28/0x50
[ +0.000009] ____kasan_slab_free+0x128/0x1d4
[ +0.000008] __kasan_slab_free+0x18/0x24
[ +0.000007] slab_free_freelist_hook+0x108/0x230
[ +0.000011] kfree+0x110/0x35c
[ +0.000008] release_nodes+0xf0/0x16c
[ +0.000009] devres_release_group+0x180/0x270
[ +0.000008] component_unbind+0x128/0x1e0
[ +0.000010] component_unbind_all+0x1b8/0x264
[ +0.000009] meson_drv_unbind+0x1a0/0x2ac [meson_drm]
[ +0.000025] take_down_aggregate_device+0xb0/0x160
[ +0.000009] component_del+0x18c/0x360
[ +0.000009] meson_dw_hdmi_remove+0x28/0x40 [meson_dw_hdmi]
[ +0.000012] platform_remove+0x64/0xb0
[ +0.000008] device_remove+0xb8/0x154
[ +0.000009] device_release_driver_internal+0x398/0x5b0
[ +0.000009] driver_detach+0xac/0x1b0
[ +0.000009] bus_remove_driver+0x158/0x29c
[ +0.000008] driver_unregister+0x70/0xb0
[ +0.000008] platform_driver_unregister+0x20/0x2c
[ +0.000008] meson_dw_hdmi_platform_driver_exit+0x1c/0x30 [meson_dw_hdmi]
[ +0.000011] __do_sys_delete_module+0x288/0x400
[ +0.000010] __arm64_sys_delete_module+0x5c/0x80
[ +0.000008] invoke_syscall+0x74/0x260
[ +0.000008] el0_svc_common.constprop.0+0xcc/0x260
[ +0.000008] do_el0_svc+0x50/0x70
[ +0.000007] el0_svc+0x68/0x1a0
[ +0.000009] el0t_64_sync_handler+0x11c/0x150
[ +0.000009] el0t_64_sync+0x18c/0x190
[ +0.000014] The buggy address belongs to the object at ffff000020c39000
---truncated---
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于驱动程序卸载序列不当，可能导致释放后重用。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2022-50378 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
AI 生成 POC
高级
未找到公开 POC。
登录以生成 AI POC三、漏洞 CVE-2022-50378 的情报信息
请登录查看更多情报信息。
同批安全公告 · Linux · 2025-09-18 · 共 121 条
| CVE-2022-50410 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2022-50401 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2023-53382 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2022-50419 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53431 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53432 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50413 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53374 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50386 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53372 | 8.2 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53386 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53394 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50417 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53387 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53388 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53373 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53377 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53426 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53378 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53398 | 7.8 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 121 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-50378
暂无评论