CVE-2025-68335— Linux kernel 安全漏洞
可能的 ATT&CK 技术 1AI
T1059 · Command and Scripting Interpreter影响版本矩阵 16
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 00aba6e7b5653a6607238ecdab7172318059d984< b2a5b172dc05be6c4f2c5542c1bbc6b14d60ff16 | affected |
00aba6e7b5653a6607238ecdab7172318059d984< 935ad4b3c325c24fff2c702da403283025ffc722 | affected | ||
00aba6e7b5653a6607238ecdab7172318059d984< 88d99ca5adbd01ff088f5fb2ddeba5755e085e52 | affected | ||
00aba6e7b5653a6607238ecdab7172318059d984< 5caa40e7c6a43e08e3574f990865127705c22861 | affected | ||
00aba6e7b5653a6607238ecdab7172318059d984< d948c53dec36dafe182631457597c49c1f1df5ea | affected | ||
00aba6e7b5653a6607238ecdab7172318059d984< 877adccfacb32687b90714a27cfb09f444fdfa16 | affected | ||
00aba6e7b5653a6607238ecdab7172318059d984< a51f025b5038abd3d22eed2ede4cd46793d89565 | affected | ||
3.15 | affected | ||
| … +8 条更多 | |||
获取后续新漏洞提醒登录后订阅
一、 漏洞 CVE-2025-68335 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
comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel()
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: comedi: pcl818: fix null-ptr-deref in pcl818_ai_cancel() Syzbot identified an issue [1] in pcl818_ai_cancel(), which stems from the fact that in case of early device detach via pcl818_detach(), subdevice dev->read_subdev may not have initialized its pointer to &struct comedi_async as intended. Thus, any such dereferencing of &s->async->cmd will lead to general protection fault and kernel crash. Mitigate this problem by removing a call to pcl818_ai_cancel() from pcl818_detach() altogether. This way, if the subdevice setups its support for async commands, everything async-related will be handled via subdevice's own ->cancel() function in comedi_device_detach_locked() even before pcl818_detach(). If no support for asynchronous commands is provided, there is no need to cancel anything either. [1] Syzbot crash: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 1 UID: 0 PID: 6050 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:pcl818_ai_cancel+0x69/0x3f0 drivers/comedi/drivers/pcl818.c:762 ... Call Trace: <TASK> pcl818_detach+0x66/0xd0 drivers/comedi/drivers/pcl818.c:1115 comedi_device_detach_locked+0x178/0x750 drivers/comedi/drivers.c:207 do_devconfig_ioctl drivers/comedi/comedi_fops.c:848 [inline] comedi_unlocked_ioctl+0xcde/0x1020 drivers/comedi/comedi_fops.c:2178 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] ...
来源: 美国国家漏洞数据库 NVD
CVSS Information
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
N/A
来源: 美国国家漏洞数据库 NVD
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pcl818_ai_cancel函数存在空指针取消引用问题。
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-2025-68335 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-2025-68335 的情报信息
请登录查看更多情报信息。
同批安全公告 · Linux · 2025-12-22 · 共 12 条
| CVE-2025-68337 | Linux kernel 安全漏洞 | |
| CVE-2025-68336 | Linux kernel 安全漏洞 | |
| CVE-2025-68334 | Linux kernel 安全漏洞 | |
| CVE-2025-68333 | Linux kernel 安全漏洞 | |
| CVE-2025-68332 | Linux kernel 安全漏洞 | |
| CVE-2025-68331 | Linux kernel 安全漏洞 | |
| CVE-2025-68330 | Linux kernel 安全漏洞 | |
| CVE-2025-68329 | Linux kernel 安全漏洞 | |
| CVE-2025-68328 | Linux kernel 安全漏洞 | |
| CVE-2025-68327 | Linux kernel 安全漏洞 | |
| CVE-2025-68326 | Linux kernel 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2025-68335
暂无评论