CVE-2025-39763 (CNNVD-202509-1620)
中文标题:
Linux kernel 安全漏洞
英文标题:
ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered
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，该漏洞源于未正确处理同步内存错误，可能导致系统重启或内核硬锁死。
英文描述:
In the Linux kernel, the following vulnerability has been resolved: ACPI: APEI: send SIGBUS to current task if synchronous memory error not recovered If a synchronous error is detected as a result of user-space process triggering a 2-bit uncorrected error, the CPU will take a synchronous error exception such as Synchronous External Abort (SEA) on Arm64. The kernel will queue a memory_failure() work which poisons the related page, unmaps the page, and then sends a SIGBUS to the process, so that a system wide panic can be avoided. However, no memory_failure() work will be queued when abnormal synchronous errors occur. These errors can include situations like invalid PA, unexpected severity, no memory failure config support, invalid GUID section, etc. In such a case, the user-space process will trigger SEA again. This loop can potentially exceed the platform firmware threshold or even trigger a kernel hard lockup, leading to a system reboot. Fix it by performing a force kill if no memory_failure() work is queued for synchronous errors. [ rjw: Changelog edits ]
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 | - | < 082735fbcdb6cd0cf20fbec94516ab2996f1cdd5 | - |
cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
|
| Linux | Linux | af02933d59bd1621a48d8b0b331cca9e530ba14b | - | - |
cpe:2.3:a:linux:linux:af02933d59bd1621a48d8b0b331cca9e530ba14b:*:*:*:*:*:*:*
|
| Linux | Linux | 5.8 | - | - |
cpe:2.3:a:linux:linux:5.8:*:*:*:*:*:*:*
|
| linux | linux_kernel | * | - | - |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
|
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
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-2025-39763 |
2025-11-11 15:23:19 | 2025-11-11 07:40:29 |
| NVD | nvd_CVE-2025-39763 |
2025-11-11 15:01:02 | 2025-11-11 07:48:18 |
| CNNVD | cnnvd_CNNVD-202509-1620 |
2025-11-11 15:12:57 | 2025-11-11 08:00:10 |
版本与语言
安全公告
变更历史
查看详细变更
- references_count: 5 -> 6
查看详细变更
- affected_products_count: 3 -> 4
查看详细变更
- affected_products_count: 1 -> 3
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-202509-1620
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 6 -> 1
- data_sources: ['cve'] -> ['cve', 'nvd']