CVE-2025-68306— Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface
Quick assessment
Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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，该漏洞源于空指针取消引用，可能导致崩溃。
Affected Version Matrix 8
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | ceac1cb0259de682d78f5c784ef8e0b13022e9d9< 421e88a0d85782786b7a1764c75518b4845e07b3 |
affected |
ceac1cb0259de682d78f5c784ef8e0b13022e9d9< faae9f2ea8806f2499186448adbf94689b47b82b |
affected | ||
ceac1cb0259de682d78f5c784ef8e0b13022e9d9< 4015b979767125cf8a2233a145a3b3af78bfd8fb |
affected | ||
6.11 |
affected | ||
< 6.11 |
unaffected | ||
6.12.61≤ 6.12.* |
unaffected | ||
6.17.11≤ 6.17.* |
unaffected | ||
6.18≤ * |
unaffected |
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I. Basic Information for CVE-2025-68306
Vulnerability Information
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Vulnerability Title
Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: btusb: mediatek: Fix kernel crash when releasing mtk iso interface
When performing reset tests and encountering abnormal card drop issues
that lead to a kernel crash, it is necessary to perform a null check
before releasing resources to avoid attempting to release a null pointer.
<4>[ 29.158070] Hardware name: Google Quigon sku196612/196613 board (DT)
<4>[ 29.158076] Workqueue: hci0 hci_cmd_sync_work [bluetooth]
<4>[ 29.158154] pstate: 20400009 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
<4>[ 29.158162] pc : klist_remove+0x90/0x158
<4>[ 29.158174] lr : klist_remove+0x88/0x158
<4>[ 29.158180] sp : ffffffc0846b3c00
<4>[ 29.158185] pmr_save: 000000e0
<4>[ 29.158188] x29: ffffffc0846b3c30 x28: ffffff80cd31f880 x27: ffffff80c1bdc058
<4>[ 29.158199] x26: dead000000000100 x25: ffffffdbdc624ea3 x24: ffffff80c1bdc4c0
<4>[ 29.158209] x23: ffffffdbdc62a3e6 x22: ffffff80c6c07000 x21: ffffffdbdc829290
<4>[ 29.158219] x20: 0000000000000000 x19: ffffff80cd3e0648 x18: 000000031ec97781
<4>[ 29.158229] x17: ffffff80c1bdc4a8 x16: ffffffdc10576548 x15: ffffff80c1180428
<4>[ 29.158238] x14: 0000000000000000 x13: 000000000000e380 x12: 0000000000000018
<4>[ 29.158248] x11: ffffff80c2a7fd10 x10: 0000000000000000 x9 : 0000000100000000
<4>[ 29.158257] x8 : 0000000000000000 x7 : 7f7f7f7f7f7f7f7f x6 : 2d7223ff6364626d
<4>[ 29.158266] x5 : 0000008000000000 x4 : 0000000000000020 x3 : 2e7325006465636e
<4>[ 29.158275] x2 : ffffffdc11afeff8 x1 : 0000000000000000 x0 : ffffffdc11be4d0c
<4>[ 29.158285] Call trace:
<4>[ 29.158290] klist_remove+0x90/0x158
<4>[ 29.158298] device_release_driver_internal+0x20c/0x268
<4>[ 29.158308] device_release_driver+0x1c/0x30
<4>[ 29.158316] usb_driver_release_interface+0x70/0x88
<4>[ 29.158325] btusb_mtk_release_iso_intf+0x68/0xd8 [btusb (HASH:e8b6 5)]
<4>[ 29.158347] btusb_mtk_reset+0x5c/0x480 [btusb (HASH:e8b6 5)]
<4>[ 29.158361] hci_cmd_sync_work+0x10c/0x188 [bluetooth (HASH:a4fa 6)]
<4>[ 29.158430] process_scheduled_works+0x258/0x4e8
<4>[ 29.158441] worker_thread+0x300/0x428
<4>[ 29.158448] kthread+0x108/0x1d0
<4>[ 29.158455] ret_from_fork+0x10/0x20
<0>[ 29.158467] Code: 91343000 940139d1 f9400268 927ff914 (f9401297)
<4>[ 29.158474] ---[ end trace 0000000000000000 ]---
<0>[ 29.167129] Kernel panic - not syncing: Oops: Fatal exception
<2>[ 29.167144] SMP: stopping secondary CPUs
<4>[ 29.167158] ------------[ cut here ]------------
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
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，该漏洞源于空指针取消引用，可能导致崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-68306
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2025-68306 (3)
Same Patch Batch · Linux · 2025-12-16 · 156 CVEs total
| CVE-2025-68192 | 9.8 CRITICAL | net: usb: qmi_wwan: initialize MAC header offset in qmimux_rx_fixup |
| CVE-2025-68301 | 9.8 CRITICAL | net: atlantic: fix fragment overflow handling in RX path |
| CVE-2025-40350 | 9.8 CRITICAL | net/mlx5e: RX, Fix generating skb from non-linear xdp_buff for striding RQ |
| CVE-2025-68284 | 9.8 CRITICAL | libceph: prevent potential out-of-bounds writes in handle_auth_session_key() |
| CVE-2025-68285 | 9.8 CRITICAL | libceph: fix potential use-after-free in have_mon_and_osd_map() |
| CVE-2025-68263 | 9.8 CRITICAL | ksmbd: ipc: fix use-after-free in ipc_msg_send_request |
| CVE-2025-68315 | 9.8 CRITICAL | f2fs: fix to detect potential corrupted nid in free_nid_list |
| CVE-2025-68255 | 8.8 HIGH | staging: rtl8723bs: fix stack buffer overflow in OnAssocReq IE parsing |
| CVE-2025-68226 | 8.8 HIGH | smb: client: fix incomplete backport in cfids_invalidation_worker() |
| CVE-2025-68304 | 8.8 HIGH | Bluetooth: hci_core: lookup hci_conn on RX path on protocol side |
| CVE-2025-68256 | 8.8 HIGH | staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser |
| CVE-2025-40362 | 8.8 HIGH | ceph: fix multifs mds auth caps issue |
| CVE-2025-68314 | 8.8 HIGH | drm/msm: make sure last_fence is always updated |
| CVE-2025-68250 | 8.2 HIGH | hung_task: fix warnings caused by unaligned lock pointers |
| CVE-2025-68175 | 7.8 HIGH | media: nxp: imx8-isi: Fix streaming cleanup on release |
| CVE-2025-68171 | 7.8 HIGH | x86/fpu: Ensure XFD state on signal delivery |
| CVE-2025-68179 | 7.8 HIGH | s390: Disable ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP |
| CVE-2025-68260 | 7.8 HIGH | rust_binder: fix race condition on death_list |
| CVE-2025-68303 | 7.8 HIGH | platform/x86: intel: punit_ipc: fix memory corruption |
| CVE-2025-68189 | 7.8 HIGH | drm/msm: Fix GEM free for imported dma-bufs |
Showing top 20 of 156 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
CVE-2026-98868
dm-pcache: reject a kset that overruns its segment -
CVE-2026-98867
dm-pcache: bound the logical key offset from persistent memo -
CVE-2026-98866
sched/cache: Introduce task_struct->sched_cache_grp to fix U
Same vendor: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
CVE-2026-98868
dm-pcache: reject a kset that overruns its segment -
CVE-2026-98867
dm-pcache: bound the logical key offset from persistent memo -
CVE-2026-98866
sched/cache: Introduce task_struct->sched_cache_grp to fix U
V. Comments for CVE-2025-68306
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