{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31587","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-03-09T15:48:24.120Z","datePublished":"2026-04-24T14:42:15.625Z","dateUpdated":"2026-06-14T17:42:27.724Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:42:27.724Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: qcom: q6apm: move component registration to unmanaged version\n\nq6apm component registers dais dynamically from ASoC toplology, which\nare allocated using device managed version apis. Allocating both\ncomponent and dynamic dais using managed version could lead to incorrect\nfree ordering, dai will be freed while component still holding references\nto it.\n\nFix this issue by moving component to unmanged version so\nthat the dai pointers are only freeded after the component is removed.\n\n==================================================================\nBUG: KASAN: slab-use-after-free in snd_soc_del_component_unlocked+0x3d4/0x400 [snd_soc_core]\nRead of size 8 at addr ffff00084493a6e8 by task kworker/u48:0/3426\nTainted: [W]=WARN\nHardware name: LENOVO 21N2ZC5PUS/21N2ZC5PUS, BIOS N42ET57W (1.31 ) 08/08/2024\nWorkqueue: pdr_notifier_wq pdr_notifier_work [pdr_interface]\nCall trace:\n show_stack+0x28/0x7c (C)\n dump_stack_lvl+0x60/0x80\n print_report+0x160/0x4b4\n kasan_report+0xac/0xfc\n __asan_report_load8_noabort+0x20/0x34\n snd_soc_del_component_unlocked+0x3d4/0x400 [snd_soc_core]\n snd_soc_unregister_component_by_driver+0x50/0x88 [snd_soc_core]\n devm_component_release+0x30/0x5c [snd_soc_core]\n devres_release_all+0x13c/0x210\n device_unbind_cleanup+0x20/0x190\n device_release_driver_internal+0x350/0x468\n device_release_driver+0x18/0x30\n bus_remove_device+0x1a0/0x35c\n device_del+0x314/0x7f0\n device_unregister+0x20/0xbc\n apr_remove_device+0x5c/0x7c [apr]\n device_for_each_child+0xd8/0x160\n apr_pd_status+0x7c/0xa8 [apr]\n pdr_notifier_work+0x114/0x240 [pdr_interface]\n process_one_work+0x500/0xb70\n worker_thread+0x630/0xfb0\n kthread+0x370/0x6c0\n ret_from_fork+0x10/0x20\n\nAllocated by task 77:\n kasan_save_stack+0x40/0x68\n kasan_save_track+0x20/0x40\n kasan_save_alloc_info+0x44/0x58\n __kasan_kmalloc+0xbc/0xdc\n __kmalloc_node_track_caller_noprof+0x1f4/0x620\n devm_kmalloc+0x7c/0x1c8\n snd_soc_register_dai+0x50/0x4f0 [snd_soc_core]\n soc_tplg_pcm_elems_load+0x55c/0x1eb8 [snd_soc_core]\n snd_soc_tplg_component_load+0x4f8/0xb60 [snd_soc_core]\n audioreach_tplg_init+0x124/0x1fc [snd_q6apm]\n q6apm_audio_probe+0x10/0x1c [snd_q6apm]\n snd_soc_component_probe+0x5c/0x118 [snd_soc_core]\n soc_probe_component+0x44c/0xaf0 [snd_soc_core]\n snd_soc_bind_card+0xad0/0x2370 [snd_soc_core]\n snd_soc_register_card+0x3b0/0x4c0 [snd_soc_core]\n devm_snd_soc_register_card+0x50/0xc8 [snd_soc_core]\n x1e80100_platform_probe+0x208/0x368 [snd_soc_x1e80100]\n platform_probe+0xc0/0x188\n really_probe+0x188/0x804\n __driver_probe_device+0x158/0x358\n driver_probe_device+0x60/0x190\n __device_attach_driver+0x16c/0x2a8\n bus_for_each_drv+0x100/0x194\n __device_attach+0x174/0x380\n device_initial_probe+0x14/0x20\n bus_probe_device+0x124/0x154\n deferred_probe_work_func+0x140/0x220\n process_one_work+0x500/0xb70\n worker_thread+0x630/0xfb0\n kthread+0x370/0x6c0\n ret_from_fork+0x10/0x20\n\nFreed by task 3426:\n kasan_save_stack+0x40/0x68\n kasan_save_track+0x20/0x40\n __kasan_save_free_info+0x4c/0x80\n __kasan_slab_free+0x78/0xa0\n kfree+0x100/0x4a4\n devres_release_all+0x144/0x210\n device_unbind_cleanup+0x20/0x190\n device_release_driver_internal+0x350/0x468\n device_release_driver+0x18/0x30\n bus_remove_device+0x1a0/0x35c\n device_del+0x314/0x7f0\n device_unregister+0x20/0xbc\n apr_remove_device+0x5c/0x7c [apr]\n device_for_each_child+0xd8/0x160\n apr_pd_status+0x7c/0xa8 [apr]\n pdr_notifier_work+0x114/0x240 [pdr_interface]\n process_one_work+0x500/0xb70\n worker_thread+0x630/0xfb0\n kthread+0x370/0x6c0\n ret_from_fork+0x10/0x20"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm.c"],"versions":[{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"110769a9aa51135ac7ce479a47dfb41924f37664","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"887632163b546a8944b46ef465f1d74e838b727a","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"b7412ed789ffb1e59c8d6f5ab6a6a718963c85e2","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"30383b7780ffa140bc124de5b66cae7c84133dbb","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"f7b790531cdad3b2075ab937aa06d7b802403be4","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"a561a55b79a9c55f0443377f2d4dcf6149d057af","status":"affected","versionType":"git"},{"version":"5477518b8a0e8a45239646acd80c9bafc4401522","lessThan":"6ec1235fc941dac6c011b30ee01d9220ff87e0cd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/qcom/qdsp6/q6apm.c"],"versions":[{"version":"5.16","status":"affected"},{"version":"0","lessThan":"5.16","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.136","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.83","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0.1","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.6.136"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.12.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.0.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/110769a9aa51135ac7ce479a47dfb41924f37664"},{"url":"https://git.kernel.org/stable/c/887632163b546a8944b46ef465f1d74e838b727a"},{"url":"https://git.kernel.org/stable/c/b7412ed789ffb1e59c8d6f5ab6a6a718963c85e2"},{"url":"https://git.kernel.org/stable/c/30383b7780ffa140bc124de5b66cae7c84133dbb"},{"url":"https://git.kernel.org/stable/c/f7b790531cdad3b2075ab937aa06d7b802403be4"},{"url":"https://git.kernel.org/stable/c/a561a55b79a9c55f0443377f2d4dcf6149d057af"},{"url":"https://git.kernel.org/stable/c/6ec1235fc941dac6c011b30ee01d9220ff87e0cd"}],"title":"ASoC: qcom: q6apm: move component registration to unmanaged version","x_generator":{"engine":"bippy-1.2.0"}}}}