CVE-2025-39711 (CNNVD-202509-741)

UNKNOWN
中文标题:
Linux kernel 安全漏洞
英文标题:
media: ivsc: Fix crash at shutdown due to missing mei_cldev_disable() calls
CVSS分数: N/A
发布时间: 2025-09-05 17:21:18
漏洞类型: 其他
状态: PUBLISHED
数据质量分数: 0.40
数据版本: v4
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，该漏洞源于缺少mei_cldev_disable调用，可能导致释放后重用。

英文描述:

In the Linux kernel, the following vulnerability has been resolved: media: ivsc: Fix crash at shutdown due to missing mei_cldev_disable() calls Both the ACE and CSI driver are missing a mei_cldev_disable() call in their remove() function. This causes the mei_cl client to stay part of the mei_device->file_list list even though its memory is freed by mei_cl_bus_dev_release() calling kfree(cldev->cl). This leads to a use-after-free when mei_vsc_remove() runs mei_stop() which first removes all mei bus devices calling mei_ace_remove() and mei_csi_remove() followed by mei_cl_bus_dev_release() and then calls mei_cl_all_disconnect() which walks over mei_device->file_list dereferecing the just freed cldev->cl. And mei_vsc_remove() it self is run at shutdown because of the platform_device_unregister(tp->pdev) in vsc_tp_shutdown() When building a kernel with KASAN this leads to the following KASAN report: [ 106.634504] ================================================================== [ 106.634623] BUG: KASAN: slab-use-after-free in mei_cl_set_disconnected (drivers/misc/mei/client.c:783) mei [ 106.634683] Read of size 4 at addr ffff88819cb62018 by task systemd-shutdow/1 [ 106.634729] [ 106.634767] Tainted: [E]=UNSIGNED_MODULE [ 106.634770] Hardware name: Dell Inc. XPS 16 9640/09CK4V, BIOS 1.12.0 02/10/2025 [ 106.634773] Call Trace: [ 106.634777] <TASK> ... [ 106.634871] kasan_report (mm/kasan/report.c:221 mm/kasan/report.c:636) [ 106.634901] mei_cl_set_disconnected (drivers/misc/mei/client.c:783) mei [ 106.634921] mei_cl_all_disconnect (drivers/misc/mei/client.c:2165 (discriminator 4)) mei [ 106.634941] mei_reset (drivers/misc/mei/init.c:163) mei ... [ 106.635042] mei_stop (drivers/misc/mei/init.c:348) mei [ 106.635062] mei_vsc_remove (drivers/misc/mei/mei_dev.h:784 drivers/misc/mei/platform-vsc.c:393) mei_vsc [ 106.635066] platform_remove (drivers/base/platform.c:1424) Add the missing mei_cldev_disable() calls so that the mei_cl gets removed from mei_device->file_list before it is freed to fix this.

CWE类型:
CWE-416
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 - < 3c0e4cc4f55f9a1db2a761e4ffb27c9594245888 - cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
Linux Linux 6.6 - - cpe:2.3:a:linux:linux:6.6:*:*:*:*:*:*:*
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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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:
2025-09-05 17:21:18
修改时间:
2025-09-29 05:57:55
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-2025-39711 2025-11-11 15:23:19 2025-11-11 07:40:29
NVD nvd_CVE-2025-39711 2025-11-11 15:01:01 2025-11-11 07:48:18
CNNVD cnnvd_CNNVD-202509-741 2025-11-11 15:12:56 2025-11-11 08:00:15
版本与语言
当前版本: v4
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
v4 NVD
2026-01-12 02:27:45
affected_products_count: 2 → 3
查看详细变更
  • affected_products_count: 2 -> 3
v3 CNNVD
2025-11-11 16:00:15
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-202509-741; 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-202509-741
  • data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
v2 NVD
2025-11-11 15:48:18
affected_products_count: 5 → 2; data_sources: ['cve'] → ['cve', 'nvd']
查看详细变更
  • affected_products_count: 5 -> 2
  • data_sources: ['cve'] -> ['cve', 'nvd']