CVE-2025-38696 (CNNVD-202509-576)
中文标题:
Linux kernel 安全漏洞
英文标题:
MIPS: Don't crash in stack_top() for tasks without ABI or vDSO
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stack_top函数未检查ABI空指针。
英文描述:
In the Linux kernel, the following vulnerability has been resolved: MIPS: Don't crash in stack_top() for tasks without ABI or vDSO Not all tasks have an ABI associated or vDSO mapped, for example kthreads never do. If such a task ever ends up calling stack_top(), it will derefence the NULL ABI pointer and crash. This can for example happen when using kunit: mips_stack_top+0x28/0xc0 arch_pick_mmap_layout+0x190/0x220 kunit_vm_mmap_init+0xf8/0x138 __kunit_add_resource+0x40/0xa8 kunit_vm_mmap+0x88/0xd8 usercopy_test_init+0xb8/0x240 kunit_try_run_case+0x5c/0x1a8 kunit_generic_run_threadfn_adapter+0x28/0x50 kthread+0x118/0x240 ret_from_kernel_thread+0x14/0x1c Only dereference the ABI point if it is set. The GIC page is also included as it is specific to the vDSO. Also move the randomization adjustment into the same conditional.
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 | - | < ab18e48a503230d675e824a0d68a108bdff42503 | - |
cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*
|
| Linux | Linux | 86717a97f9218de798c6d33e0014ab9325e18f56 | - | - |
cpe:2.3:a:linux:linux:86717a97f9218de798c6d33e0014ab9325e18f56:*:*:*:*:*:*:*
|
| Linux | Linux | e4882348eaa9f5f052cb21d2a5aa99a063e4308b | - | - |
cpe:2.3:a:linux:linux:e4882348eaa9f5f052cb21d2a5aa99a063e4308b:*:*:*:*:*:*:*
|
| Linux | Linux | 4.19 | - | - |
cpe:2.3:a:linux:linux:4.19:*:*:*:*:*:*:*
|
| linux | linux_kernel | * | - | - |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
|
| linux | linux_kernel | 4.19 | - | - |
cpe:2.3:o:linux:linux_kernel:4.19:-:*:*:*:*:*:*
|
| debian | debian_linux | 11.0 | - | - |
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
|
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-2025-38696 |
2025-11-11 15:23:18 | 2025-11-11 07:40:28 |
| NVD | nvd_CVE-2025-38696 |
2025-11-11 15:01:01 | 2025-11-11 07:48:17 |
| CNNVD | cnnvd_CNNVD-202509-576 |
2025-11-11 15:13:01 | 2025-11-11 08:00:15 |
版本与语言
安全公告
变更历史
查看详细变更
- affected_products_count: 4 -> 7
查看详细变更
- affected_products_count: 1 -> 4
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-202509-576
- data_sources: ['cve', 'nvd'] -> ['cnnvd', 'cve', 'nvd']
查看详细变更
- affected_products_count: 10 -> 1
- references_count: 9 -> 10
- data_sources: ['cve'] -> ['cve', 'nvd']