CVE-2025-39745 (CNNVD-202509-1638)

UNKNOWN
中文标题:
Linux kernel 安全漏洞
英文标题:
rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels
CVSS分数: N/A
发布时间: 2025-09-11 16:52:18
漏洞类型: 其他
状态: PUBLISHED
数据质量分数: 0.40
数据版本: v5
漏洞描述
中文描述:

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rcutorture_one_extend_check函数在RT内核中可能导致警告信息。

英文描述:

In the Linux kernel, the following vulnerability has been resolved: rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels For built with CONFIG_PREEMPT_RT=y kernels, running rcutorture tests resulted in the following splat: [ 68.797425] rcutorture_one_extend_check during change: Current 0x1 To add 0x1 To remove 0x0 preempt_count() 0x0 [ 68.797533] WARNING: CPU: 2 PID: 512 at kernel/rcu/rcutorture.c:1993 rcutorture_one_extend_check+0x419/0x560 [rcutorture] [ 68.797601] Call Trace: [ 68.797602] <TASK> [ 68.797619] ? lockdep_softirqs_off+0xa5/0x160 [ 68.797631] rcutorture_one_extend+0x18e/0xcc0 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c] [ 68.797646] ? local_clock+0x19/0x40 [ 68.797659] rcu_torture_one_read+0xf0/0x280 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c] [ 68.797678] ? __pfx_rcu_torture_one_read+0x10/0x10 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c] [ 68.797804] ? __pfx_rcu_torture_timer+0x10/0x10 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c] [ 68.797815] rcu-torture: rcu_torture_reader task started [ 68.797824] rcu-torture: Creating rcu_torture_reader task [ 68.797824] rcu_torture_reader+0x238/0x580 [rcutorture 2466dbd2ff34dbaa36049cb323a80c3306ac997c] [ 68.797836] ? kvm_sched_clock_read+0x15/0x30 Disable BH does not change the SOFTIRQ corresponding bits in preempt_count() for RT kernels, this commit therefore use softirq_count() to check the if BH is disabled.

CWE类型:
(暂无数据)
标签:
(暂无数据)
受影响产品
厂商 产品 版本 版本范围 平台 CPE
Linux Linux - < a85550267247cdf5e7499be00ea8e388ab014e50 - cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
Linux Linux 6.14 - - cpe:2.3:a:linux:linux:6.14:*:*:*:*:*:*:*
linux linux_kernel * - - cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
解决方案
中文解决方案:
(暂无数据)
英文解决方案:
(暂无数据)
临时解决方案:
(暂无数据)
参考链接
无标题 OTHER
cve.org
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cve.org
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cve.org
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CVSS评分详情
暂无CVSS评分信息
时间信息
发布时间:
2025-09-11 16:52:18
修改时间:
2025-09-29 05:58:33
创建时间:
2025-11-11 15:40:29
更新时间:
2026-01-12 02:27:45
利用信息
暂无可利用代码信息
数据源详情
数据源 记录ID 版本 提取时间
CVE cve_CVE-2025-39745 2025-11-11 15:23:19 2025-11-11 07:40:29
NVD nvd_CVE-2025-39745 2025-11-11 15:01:02 2025-11-11 07:48:18
CNNVD cnnvd_CNNVD-202509-1638 2025-11-11 15:12:56 2025-11-11 08:00:10
版本与语言
当前版本: v5
主要语言: EN
支持语言:
EN ZH
安全公告
暂无安全公告信息
变更历史
v5 NVD
2026-01-12 02:27:45
affected_products_count: 2 → 3
查看详细变更
  • affected_products_count: 2 -> 3
v4 CVE
2026-01-12 02:11:41
affected_products_count: 1 → 2
查看详细变更
  • affected_products_count: 1 -> 2
v3 CNNVD
2025-11-11 16:00:10
vulnerability_type: 未提取 → 其他; severity: SeverityLevel.MEDIUM → SeverityLevel.UNKNOWN; cvss_score: 未提取 → 0.0; cnnvd_id: 未提取 → CNNVD-202509-1638; data_sources: ['cve', 'nvd'] → ['cnnvd', 'cve', 'nvd']
查看详细变更
  • vulnerability_type: 未提取 -> 其他
  • severity: SeverityLevel.MEDIUM -> SeverityLevel.UNKNOWN
  • cvss_score: 未提取 -> 0.0
  • cnnvd_id: 未提取 -> CNNVD-202509-1638
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:48:18
affected_products_count: 4 → 1; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • affected_products_count: 4 -> 1
  • data_sources: ['cve'] -> ['cve', 'nvd']