• 公告ID (KylinSec-SA-2024-2605)

摘要:

In the Linux kernel, the following vulnerability has been resolved:peci: cpu: Fix use-after-free in adev_release()When auxiliary_device_add() returns an error, auxiliary_device_uninit()is called, which causes refcount for device to be decremented and.release callback will be triggered.Because adev_release() re-calls auxiliary_device_uninit(), it will causeuse-after-free:[ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcount_warn_saturate+0x110/0x15[ 1269.464007] refcount_t: underflow; use-after-free.

安全等级: Low

公告ID: KylinSec-SA-2024-2605

发布日期: 2024年6月5日

关联CVE: CVE-2022-48670  

  • 详细介绍

1. 漏洞描述

   

In the Linux kernel, the following vulnerability has been resolved:peci: cpu: Fix use-after-free in adev_release()When auxiliary_device_add() returns an error, auxiliary_device_uninit()is called, which causes refcount for device to be decremented and.release callback will be triggered.Because adev_release() re-calls auxiliary_device_uninit(), it will causeuse-after-free:[ 1269.455172] WARNING: CPU: 0 PID: 14267 at lib/refcount.c:28 refcount_warn_saturate+0x110/0x15[ 1269.464007] refcount_t: underflow; use-after-free.

2. 影响范围

cve名称 产品 组件 是否受影响
CVE-2022-48670 KY3.4-5 kernel Unaffected
CVE-2022-48670 KY3.5.3 kernel Unaffected
CVE-2022-48670 V6 kernel Unaffected

3. 影响组件

    无

4. 修复版本

    无

5. 修复方法

   无

6. 下载链接

    无
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