CVE-2025-40201
中文标题:
（暂无数据）
英文标题:
kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths
漏洞描述
中文描述:
（暂无数据）
英文描述:
In the Linux kernel, the following vulnerability has been resolved: kernel/sys.c: fix the racy usage of task_lock(tsk->group_leader) in sys_prlimit64() paths The usage of task_lock(tsk->group_leader) in sys_prlimit64()->do_prlimit() path is very broken. sys_prlimit64() does get_task_struct(tsk) but this only protects task_struct itself. If tsk != current and tsk is not a leader, this process can exit/exec and task_lock(tsk->group_leader) may use the already freed task_struct. Another problem is that sys_prlimit64() can race with mt-exec which changes ->group_leader. In this case do_prlimit() may take the wrong lock, or (worse) ->group_leader may change between task_lock() and task_unlock(). Change sys_prlimit64() to take tasklist_lock when necessary. This is not nice, but I don't see a better fix for -stable.
CWE类型:
标签:
受影响产品
| 厂商 | 产品 | 版本 | 版本范围 | 平台 | CPE |
|---|---|---|---|---|---|
| Linux | Linux | - | < 1bc0d9315ef5296abb2c9fd840336255850ded18 | - |
cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
|
| Linux | Linux | 5.18 | - | - |
cpe:2.3:a:linux:linux:5.18:*:*:*:*:*:*:*
|
解决方案
中文解决方案:
英文解决方案:
临时解决方案:
CVSS评分详情
NOT_EXTRACTED
时间信息
利用信息
数据源详情
| 数据源 | 记录ID | 版本 | 提取时间 |
|---|---|---|---|
| CVE | cve_CVE-2025-40201 |
2025-12-03 03:24:31 | 2026-01-12 02:11:46 |
| NVD | nvd_CVE-2025-40201 |
2025-11-15 03:18:45 | 2026-01-12 02:27:46 |
版本与语言
安全公告
变更历史
查看详细变更
- affected_products_count: 6 -> 2
- data_sources: ['cve'] -> ['cve', 'nvd']