ASoC: qcom: qdsp6: Fix q6apm remove ordering during ADSP stop and start

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Summary

CVECVE-2026-43412
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-08 15:16:53 UTC
Updated2026-05-08 15:16:53 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: qdsp6: Fix q6apm remove ordering during ADSP stop and start During ADSP stop and start, the kernel crashes due to the order in which ASoC components are removed. On ADSP stop, the q6apm-audio .remove callback unloads topology and removes PCM runtimes during ASoC teardown. This deletes the RTDs that contain the q6apm DAI components before their removal pass runs, leaving those components still linked to the card and causing crashes on the next rebind. Fix this by ensuring that all dependent (child) components are removed first, and the q6apm component is removed last. [ 48.105720] Unable to handle kernel NULL pointer dereference at virtual address 00000000000000d0 [ 48.114763] Mem abort info: [ 48.117650] ESR = 0x0000000096000004 [ 48.121526] EC = 0x25: DABT (current EL), IL = 32 bits [ 48.127010] SET = 0, FnV = 0 [ 48.130172] EA = 0, S1PTW = 0 [ 48.133415] FSC = 0x04: level 0 translation fault [ 48.138446] Data abort info: [ 48.141422] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 48.147079] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 48.152354] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 48.157859] user pgtable: 4k pages, 48-bit VAs, pgdp=00000001173cf000 [ 48.164517] [00000000000000d0] pgd=0000000000000000, p4d=0000000000000000 [ 48.171530] Internal error: Oops: 0000000096000004 [#1] SMP [ 48.177348] Modules linked in: q6prm_clocks q6apm_lpass_dais q6apm_dai snd_q6dsp_common q6prm snd_q6apm 8021q garp mrp stp llc snd_soc_hdmi_codec apr pdr_interface phy_qcom_edp fastrpc qcom_pd_mapper rpmsg_ctrl qrtr_smd rpmsg_char qcom_pdr_msg qcom_iris v4l2_mem2mem videobuf2_dma_contig ath11k_pci msm ubwc_config at24 ath11k videobuf2_memops mac80211 ocmem videobuf2_v4l2 libarc4 drm_gpuvm mhi qrtr videodev drm_exec snd_soc_sc8280xp gpu_sched videobuf2_common nvmem_qcom_spmi_sdam snd_soc_qcom_sdw drm_dp_aux_bus qcom_q6v5_pas qcom_spmi_temp_alarm snd_soc_qcom_common rtc_pm8xxx qcom_pon drm_display_helper cec qcom_pil_info qcom_stats soundwire_bus drm_client_lib mc dispcc0_sa8775p videocc_sa8775p qcom_q6v5 camcc_sa8775p snd_soc_dmic phy_qcom_sgmii_eth snd_soc_max98357a i2c_qcom_geni snd_soc_core dwmac_qcom_ethqos llcc_qcom icc_bwmon qcom_sysmon snd_compress qcom_refgen_regulator coresight_stm stmmac_platform snd_pcm_dmaengine qcom_common coresight_tmc stmmac coresight_replicator qcom_glink_smem coresight_cti stm_core [ 48.177444] coresight_funnel snd_pcm ufs_qcom phy_qcom_qmp_usb gpi phy_qcom_snps_femto_v2 coresight phy_qcom_qmp_ufs qcom_wdt gpucc_sa8775p pcs_xpcs mdt_loader qcom_ice icc_osm_l3 qmi_helpers snd_timer snd soundcore display_connector qcom_rng nvmem_reboot_mode drm_kms_helper phy_qcom_qmp_pcie sha256 cfg80211 rfkill socinfo fuse drm backlight ipv6 [ 48.301059] CPU: 2 UID: 0 PID: 293 Comm: kworker/u32:2 Not tainted 6.19.0-rc6-dirty #10 PREEMPT [ 48.310081] Hardware name: Qualcomm Technologies, Inc. Lemans EVK (DT) [ 48.316782] Workqueue: pdr_notifier_wq pdr_notifier_work [pdr_interface] [ 48.323672] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 48.330825] pc : mutex_lock+0xc/0x54 [ 48.334514] lr : soc_dapm_shutdown_dapm+0x44/0x174 [snd_soc_core] [ 48.340794] sp : ffff800084ddb7b0 [ 48.344207] x29: ffff800084ddb7b0 x28: ffff00009cd9cf30 x27: ffff00009cd9cc00 [ 48.351544] x26: ffff000099610190 x25: ffffa31d2f19c810 x24: ffffa31d2f185098 [ 48.358869] x23: ffff800084ddb7f8 x22: 0000000000000000 x21: 00000000000000d0 [ 48.366198] x20: ffff00009ba6c338 x19: ffff00009ba6c338 x18: 00000000ffffffff [ 48.373528] x17: 000000040044ffff x16: ffffa31d4ae6dca8 x15: 072007740775076f [ 48.380853] x14: 0765076d07690774 x13: 00313a323a656369 x12: 767265733a637673 [ 48.388182] x11: 00000000000003f9 x10: ffffa31d4c7dea98 x9 : 0000000000000001 [ 48.395519] x8 : ffff00009a2aadc0 x7 : 0000000000000003 x6 : 0000000000000000 [ 48.402854] x5 : 0000000000000 ---truncated---

Risk And Classification

EPSS: 0.000240000 probability, percentile 0.070210000 (date 2026-05-11)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 94bda21adb2a51f69366b847b4d80dfe50bd9fb9 git Not specified
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 a8e9cab16771b15160465783507496dc83742d8e git Not specified
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 0da170b9e600da6930cfb8352e4cc036db3b6159 git Not specified
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 22b05abb17e3c6ef45035141fe3d26f815ff9d30 git Not specified
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 897f32cab7945f4662a50b3841ba31c6c3204876 git Not specified
CNA Linux Linux affected 5477518b8a0e8a45239646acd80c9bafc4401522 d6db827b430bdcca3976cebca7bd69cca03cde2c git Not specified
CNA Linux Linux affected 5.16 Not specified
CNA Linux Linux unaffected 5.16 semver Not specified
CNA Linux Linux unaffected 6.1.167 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.130 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.78 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.19 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.9 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/897f32cab7945f4662a50b3841ba31c6c3204876 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/94bda21adb2a51f69366b847b4d80dfe50bd9fb9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/d6db827b430bdcca3976cebca7bd69cca03cde2c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a8e9cab16771b15160465783507496dc83742d8e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/22b05abb17e3c6ef45035141fe3d26f815ff9d30 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0da170b9e600da6930cfb8352e4cc036db3b6159 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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