CVE-2025-38299

CVE-2025-38299 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-476.

Key facts

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY() ETDM2_IN_BE and ETDM1_OUT_BE are defined as COMP_EMPTY(), in the case the codec dai_name will be null. Avoid a crash if the device tree is not assigning a codec to these links. [ 1.179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 1.181065] Mem abort info: [ 1.181420] ESR = 0x0000000096000004 [ 1.181892] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.182576] SET = 0, FnV = 0 [ 1.182964] EA = 0, S1PTW = 0 [ 1.183367] FSC = 0x04: level 0 translation fault [ 1.183983] Data abort info: [ 1.184406] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 1.185097] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 1.185766] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 1.186439] [0000000000000000] user address but active_mm is swapper [ 1.187239] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 1.188029] Modules linked in: [ 1.188420] CPU: 7 UID: 0 PID: 70 Comm: kworker/u32:1 Not tainted 6.14.0-rc4-next-20250226+ #85 [ 1.189515] Hardware name: Radxa NIO 12L (DT) [ 1.190065] Workqueue: events_unbound deferred_probe_work_func [ 1.190808] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.191683] pc : __pi_strcmp+0x24/0x140 [ 1.192170] lr : mt8195_mt6359_soc_card_probe+0x224/0x7b0 [ 1.192854] sp : ffff800083473970 [ 1.193271] x29: ffff800083473a10 x28: 0000000000001008 x27: 0000000000000002 [ 1.194168] x26: ffff800082408960 x25: ffff800082417db0 x24: ffff800082417d88 [ 1.195065] x23: 000000000000001e x22: ffff800082dbf480 x21: ffff800082dc07b8 [ 1.195961] x20: 0000000000000000 x19: 0000000000000013 x18: 00000000ffffffff [ 1.196858] x17: 000000040044ffff x16: 005000f2b5503510 x15: 0000000000000006 [ 1.197755] x14: ffff800082407af0 x13: 6e6f69737265766e x12: 692d6b636f6c6374 [ 1.198651] x11: 0000000000000002 x10: ffff80008240b920 x9 : 0000000000000018 [ 1.199547] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000000 [ 1.200443] x5 : 0000000000000000 x4 : 8080808080000000 x3 : 303933383978616d [ 1.201339] x2 : 0000000000000000 x1 : ffff80008240b920 x0 : 0000000000000000 [ 1.202236] Call trace: [ 1.202545] __pi_strcmp+0x24/0x140 (P) [ 1.203029] mtk_soundcard_common_probe+0x3bc/0x5b8 [ 1.203644] platform_probe+0x70/0xe8 [ 1.204106] really_probe+0xc8/0x3a0 [ 1.204556] __driver_probe_device+0x84/0x160 [ 1.205104] driver_probe_device+0x44/0x130 [ 1.205630] __device_attach_driver+0xc4/0x170 [ 1.206189] bus_for_each_drv+0x8c/0xf8 [ 1.206672] __device_attach+0xa8/0x1c8 [ 1.207155] device_initial_probe+0x1c/0x30 [ 1.207681] bus_probe_device+0xb0/0xc0 [ 1.208165] deferred_probe_work_func+0xa4/0x100 [ 1.208747] process_one_work+0x158/0x3e0 [ 1.209254] worker_thread+0x2c4/0x3e8 [ 1.209727] kthread+0x134/0x1f0 [ 1.210136] ret_from_fork+0x10/0x20 [ 1.210589] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402) [ 1.211355] ---[ end trace 0000000000000000 ]---

Frequently asked questions

What is CVE-2025-38299?
In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: mt8195: Set ETDM1/2 IN/OUT to COMP_DUMMY() ETDM2_IN_BE and ETDM1_OUT_BE are defined as COMP_EMPTY(), in the case the codec dai_name will be null. Avoid a crash if the device tree is not assigning a codec to these links. [ 1.179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 1.181065] Mem abort info: [ 1.181420] ESR = 0x0000000096000004 [ 1.181892] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.182576] SET = 0, FnV = 0 [ 1.182964] EA = 0, S1PTW = 0 [ 1.183367] FSC = 0x04: level 0 translation fault [ 1.183983] Data abort info: [ 1.184406] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [ 1.185097] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 1.185766] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 1.186439] [0000000000000000] user address but active_mm is swapper [ 1.187239] Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP [ 1.188029] Modules linked in: [ 1.188420] CPU: 7 UID: 0 PID: 70 Comm: kworker/u32:1 Not tainted 6.14.0-rc4-next-20250226+ #85 [ 1.189515] Hardware name: Radxa NIO 12L (DT) [ 1.190065] Workqueue: events_unbound deferred_probe_work_func [ 1.190808] pstate: 40400009 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 1.191683] pc : __pi_strcmp+0x24/0x140 [ 1.192170] lr : mt8195_mt6359_soc_card_probe+0x224/0x7b0 [ 1.192854] sp : ffff800083473970 [ 1.193271] x29: ffff800083473a10 x28: 0000000000001008 x27: 0000000000000002 [ 1.194168] x26: ffff800082408960 x25: ffff800082417db0 x24: ffff800082417d88 [ 1.195065] x23: 000000000000001e x22: ffff800082dbf480 x21: ffff800082dc07b8 [ 1.195961] x20: 0000000000000000 x19: 0000000000000013 x18: 00000000ffffffff [ 1.196858] x17: 000000040044ffff x16: 005000f2b5503510 x15: 0000000000000006 [ 1.197755] x14: ffff800082407af0 x13: 6e6f69737265766e x12: 692d6b636f6c6374 [ 1.198651] x11: 0000000000000002 x10: ffff80008240b920 x9 : 0000000000000018 [ 1.199547] x8 : 0101010101010101 x7 : 0000000000000000 x6 : 0000000000000000 [ 1.200443] x5 : 0000000000000000 x4 : 8080808080000000 x3 : 303933383978616d [ 1.201339] x2 : 0000000000000000 x1 : ffff80008240b920 x0 : 0000000000000000 [ 1.202236] Call trace: [ 1.202545] __pi_strcmp+0x24/0x140 (P) [ 1.203029] mtk_soundcard_common_probe+0x3bc/0x5b8 [ 1.203644] platform_probe+0x70/0xe8 [ 1.204106] really_probe+0xc8/0x3a0 [ 1.204556] __driver_probe_device+0x84/0x160 [ 1.205104] driver_probe_device+0x44/0x130 [ 1.205630] __device_attach_driver+0xc4/0x170 [ 1.206189] bus_for_each_drv+0x8c/0xf8 [ 1.206672] __device_attach+0xa8/0x1c8 [ 1.207155] device_initial_probe+0x1c/0x30 [ 1.207681] bus_probe_device+0xb0/0xc0 [ 1.208165] deferred_probe_work_func+0xa4/0x100 [ 1.208747] process_one_work+0x158/0x3e0 [ 1.209254] worker_thread+0x2c4/0x3e8 [ 1.209727] kthread+0x134/0x1f0 [ 1.210136] ret_from_fork+0x10/0x20 [ 1.210589] Code: 54000401 b50002c6 d503201f f86a6803 (f8408402) [ 1.211355] ---[ end trace 0000000000000000 ]---
How severe is CVE-2025-38299?
CVE-2025-38299 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-38299 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-38299?
CVE-2025-38299 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-38299?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-38299 have an EU (EUVD) identifier?
Yes. CVE-2025-38299 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20949.
When was CVE-2025-38299 published?
CVE-2025-38299 was published on 2025-07-10 and last updated on 2026-06-17.

References

Affected products (1)

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