CVE-2026-31587— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
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ASoC qcom q6apm中组件注册管理版本使用不当，可能导致释放后重用。
可能的 ATT&CK 技术 1 AI
T1059 · Command and Scripting Interpreter影响版本矩阵 16
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 5477518b8a0e8a45239646acd80c9bafc4401522< 110769a9aa51135ac7ce479a47dfb41924f37664 |
affected |
5477518b8a0e8a45239646acd80c9bafc4401522< 887632163b546a8944b46ef465f1d74e838b727a |
affected | ||
5477518b8a0e8a45239646acd80c9bafc4401522< b7412ed789ffb1e59c8d6f5ab6a6a718963c85e2 |
affected | ||
5477518b8a0e8a45239646acd80c9bafc4401522< 30383b7780ffa140bc124de5b66cae7c84133dbb |
affected | ||
5477518b8a0e8a45239646acd80c9bafc4401522< f7b790531cdad3b2075ab937aa06d7b802403be4 |
affected | ||
5477518b8a0e8a45239646acd80c9bafc4401522< a561a55b79a9c55f0443377f2d4dcf6149d057af |
affected | ||
5477518b8a0e8a45239646acd80c9bafc4401522< 6ec1235fc941dac6c011b30ee01d9220ff87e0cd |
affected | ||
5.16 |
affected | ||
| … +8 条更多 | |||
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一、 漏洞 CVE-2026-31587 基础信息
漏洞信息
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Vulnerability Title
ASoC: qcom: q6apm: move component registration to unmanaged version
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: qcom: q6apm: move component registration to unmanaged version
q6apm component registers dais dynamically from ASoC toplology, which
are allocated using device managed version apis. Allocating both
component and dynamic dais using managed version could lead to incorrect
free ordering, dai will be freed while component still holding references
to it.
Fix this issue by moving component to unmanged version so
that the dai pointers are only freeded after the component is removed.
==================================================================
BUG: KASAN: slab-use-after-free in snd_soc_del_component_unlocked+0x3d4/0x400 [snd_soc_core]
Read of size 8 at addr ffff00084493a6e8 by task kworker/u48:0/3426
Tainted: [W]=WARN
Hardware name: LENOVO 21N2ZC5PUS/21N2ZC5PUS, BIOS N42ET57W (1.31 ) 08/08/2024
Workqueue: pdr_notifier_wq pdr_notifier_work [pdr_interface]
Call trace:
show_stack+0x28/0x7c (C)
dump_stack_lvl+0x60/0x80
print_report+0x160/0x4b4
kasan_report+0xac/0xfc
__asan_report_load8_noabort+0x20/0x34
snd_soc_del_component_unlocked+0x3d4/0x400 [snd_soc_core]
snd_soc_unregister_component_by_driver+0x50/0x88 [snd_soc_core]
devm_component_release+0x30/0x5c [snd_soc_core]
devres_release_all+0x13c/0x210
device_unbind_cleanup+0x20/0x190
device_release_driver_internal+0x350/0x468
device_release_driver+0x18/0x30
bus_remove_device+0x1a0/0x35c
device_del+0x314/0x7f0
device_unregister+0x20/0xbc
apr_remove_device+0x5c/0x7c [apr]
device_for_each_child+0xd8/0x160
apr_pd_status+0x7c/0xa8 [apr]
pdr_notifier_work+0x114/0x240 [pdr_interface]
process_one_work+0x500/0xb70
worker_thread+0x630/0xfb0
kthread+0x370/0x6c0
ret_from_fork+0x10/0x20
Allocated by task 77:
kasan_save_stack+0x40/0x68
kasan_save_track+0x20/0x40
kasan_save_alloc_info+0x44/0x58
__kasan_kmalloc+0xbc/0xdc
__kmalloc_node_track_caller_noprof+0x1f4/0x620
devm_kmalloc+0x7c/0x1c8
snd_soc_register_dai+0x50/0x4f0 [snd_soc_core]
soc_tplg_pcm_elems_load+0x55c/0x1eb8 [snd_soc_core]
snd_soc_tplg_component_load+0x4f8/0xb60 [snd_soc_core]
audioreach_tplg_init+0x124/0x1fc [snd_q6apm]
q6apm_audio_probe+0x10/0x1c [snd_q6apm]
snd_soc_component_probe+0x5c/0x118 [snd_soc_core]
soc_probe_component+0x44c/0xaf0 [snd_soc_core]
snd_soc_bind_card+0xad0/0x2370 [snd_soc_core]
snd_soc_register_card+0x3b0/0x4c0 [snd_soc_core]
devm_snd_soc_register_card+0x50/0xc8 [snd_soc_core]
x1e80100_platform_probe+0x208/0x368 [snd_soc_x1e80100]
platform_probe+0xc0/0x188
really_probe+0x188/0x804
__driver_probe_device+0x158/0x358
driver_probe_device+0x60/0x190
__device_attach_driver+0x16c/0x2a8
bus_for_each_drv+0x100/0x194
__device_attach+0x174/0x380
device_initial_probe+0x14/0x20
bus_probe_device+0x124/0x154
deferred_probe_work_func+0x140/0x220
process_one_work+0x500/0xb70
worker_thread+0x630/0xfb0
kthread+0x370/0x6c0
ret_from_fork+0x10/0x20
Freed by task 3426:
kasan_save_stack+0x40/0x68
kasan_save_track+0x20/0x40
__kasan_save_free_info+0x4c/0x80
__kasan_slab_free+0x78/0xa0
kfree+0x100/0x4a4
devres_release_all+0x144/0x210
device_unbind_cleanup+0x20/0x190
device_release_driver_internal+0x350/0x468
device_release_driver+0x18/0x30
bus_remove_device+0x1a0/0x35c
device_del+0x314/0x7f0
device_unregister+0x20/0xbc
apr_remove_device+0x5c/0x7c [apr]
device_for_each_child+0xd8/0x160
apr_pd_status+0x7c/0xa8 [apr]
pdr_notifier_work+0x114/0x240 [pdr_interface]
process_one_work+0x500/0xb70
worker_thread+0x630/0xfb0
kthread+0x370/0x6c0
ret_from_fork+0x10/0x20
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
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ASoC qcom q6apm中组件注册管理版本使用不当，可能导致释放后重用。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2026-31587 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-31587 补丁与修复 (3)
同批安全公告 · Linux · 2026-04-24 · 共 138 条
| CVE-2026-31633 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31589 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31637 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31669 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31668 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31536 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31649 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31607 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31608 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31609 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31657 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31659 | 9.8 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31636 | 9.1 CRITICAL | Linux kernel 安全漏洞 |
| CVE-2026-31629 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31588 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31570 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31558 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31553 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31622 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2026-31611 | 8.6 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 138 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-31587
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