{"id":"CVE-2025-38299","summary":"ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY()\n\nETDM2_IN_BE and ETDM1_OUT_BE are defined as COMP_EMPTY(),\nin the case the codec dai_name will be null.\n\nAvoid a crash if the device tree is not assigning a codec\nto these links.\n\n[    1.179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[    1.181065] Mem abort info:\n[    1.181420]   ESR = 0x0000000096000004\n[    1.181892]   EC = 0x25: DABT (current EL), IL = 32 bits\n[    1.182576]   SET = 0, FnV = 0\n[    1.182964]   EA = 0, S1PTW = 0\n[    1.183367]   FSC = 0x04: level 0 translation fault\n[    1.183983] Data abort info:\n[    1.184406]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000\n[    1.185097]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0\n[    1.185766]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n[    1.186439] [0000000000000000] user address but active_mm is swapper\n[    1.187239] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP\n[    1.188029] Modules linked in:\n[    1.188420] CPU: 7 UID: 0 PID: 70 Comm: kworker/u32:1 Not tainted 6.14.0-rc4-next-20250226+ #85\n[    1.189515] Hardware name: Radxa NIO 12L (DT)\n[    1.190065] Workqueue: events_unbound deferred_probe_work_func\n[    1.190808] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n[    1.191683] pc : __pi_strcmp+0x24/0x140\n[    1.192170] lr : mt8195_mt6359_soc_card_probe+0x224/0x7b0\n[    1.192854] sp : ffff800083473970\n[    1.193271] x29: ffff800083473a10 x28: 0000000000001008 x27: 0000000000000002\n[    1.194168] x26: ffff800082408960 x25: ffff800082417db0 x24: ffff800082417d88\n[    1.195065] x23: 000000000000001e x22: ffff800082dbf480 x21: ffff800082dc07b8\n[    1.195961] x20: 0000000000000000 x19: 0000000000000013 x18: 00000000ffffffff\n[    1.196858] x17: 000000040044ffff x16: 005000f2b5503510 x15: 0000000000000006\n[    1.197755] x14: ffff800082407af0 x13: 6e6f69737265766e x12: 692d6b636f6c6374\n[    1.198651] x11: 0000000000000002 x10: ffff80008240b920 x9 : 0000000000000018\n[    1.199547] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000000\n[    1.200443] x5 : 0000000000000000 x4 : 8080808080000000 x3 : 303933383978616d\n[    1.201339] x2 : 0000000000000000 x1 : ffff80008240b920 x0 : 0000000000000000\n[    1.202236] Call trace:\n[    1.202545]  __pi_strcmp+0x24/0x140 (P)\n[    1.203029]  mtk_soundcard_common_probe+0x3bc/0x5b8\n[    1.203644]  platform_probe+0x70/0xe8\n[    1.204106]  really_probe+0xc8/0x3a0\n[    1.204556]  __driver_probe_device+0x84/0x160\n[    1.205104]  driver_probe_device+0x44/0x130\n[    1.205630]  __device_attach_driver+0xc4/0x170\n[    1.206189]  bus_for_each_drv+0x8c/0xf8\n[    1.206672]  __device_attach+0xa8/0x1c8\n[    1.207155]  device_initial_probe+0x1c/0x30\n[    1.207681]  bus_probe_device+0xb0/0xc0\n[    1.208165]  deferred_probe_work_func+0xa4/0x100\n[    1.208747]  process_one_work+0x158/0x3e0\n[    1.209254]  worker_thread+0x2c4/0x3e8\n[    1.209727]  kthread+0x134/0x1f0\n[    1.210136]  ret_from_fork+0x10/0x20\n[    1.210589] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402)\n[    1.211355] ---[ end trace 0000000000000000 ]---","modified":"2026-04-02T12:47:55.290589Z","published":"2025-07-10T07:42:12.216Z","related":["SUSE-SU-2025:02853-1","SUSE-SU-2025:02997-1","SUSE-SU-2025:03011-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","openSUSE-SU-2025:20081-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38299.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/183e7329d41d7a8e298f48b6b0eb81102a8654de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7af317f7faaab09d5a78f24605057d11f5955115"},{"type":"WEB","url":"https://git.kernel.org/stable/c/87dbfe2b392df9621f6e522e5fa6fb8849ca92ab"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38299.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38299"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e70b8dd26711704b1ff1f1b4eb3d048ba69e29da"},{"fixed":"87dbfe2b392df9621f6e522e5fa6fb8849ca92ab"},{"fixed":"183e7329d41d7a8e298f48b6b0eb81102a8654de"},{"fixed":"7af317f7faaab09d5a78f24605057d11f5955115"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38299.json"}}],"schema_version":"1.7.5"}