CVE-2025-40296— platform/x86: int3472: Fix double free of GPIO device during unregister
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I. Basic Information for CVE-2025-40296
Vulnerability Information
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Vulnerability Title
platform/x86: int3472: Fix double free of GPIO device during unregister
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: platform/x86: int3472: Fix double free of GPIO device during unregister regulator_unregister() already frees the associated GPIO device. On ThinkPad X9 (Lunar Lake), this causes a double free issue that leads to random failures when other drivers (typically Intel THC) attempt to allocate interrupts. The root cause is that the reference count of the pinctrl_intel_platform module unexpectedly drops to zero when this driver defers its probe. This behavior can also be reproduced by unloading the module directly. Fix the issue by removing the redundant release of the GPIO device during regulator unregistration.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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，该漏洞源于双重释放GPIO设备，可能导致随机故障。
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-2025-40296
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Same Patch Batch · Linux · 2025-12-08 · 82 CVEs total
| CVE-2022-50630 | mm: hugetlb: fix UAF in hugetlb_handle_userfault | |
| CVE-2023-53752 | net: deal with integer overflows in kmalloc_reserve() | |
| CVE-2022-50627 | wifi: ath11k: fix monitor mode bringup crash | |
| CVE-2022-50628 | drm/gud: Fix UBSAN warning | |
| CVE-2022-50626 | media: dvb-usb: fix memory leak in dvb_usb_adapter_init() | |
| CVE-2022-50623 | fpga: prevent integer overflow in dfl_feature_ioctl_set_irq() | |
| CVE-2022-50622 | ext4: fix potential memory leak in ext4_fc_record_modified_inode() | |
| CVE-2022-50621 | dm: verity-loadpin: Only trust verity targets with enforcement | |
| CVE-2022-50620 | f2fs: fix to invalidate dcc->f2fs_issue_discard in error path | |
| CVE-2022-50624 | net: netsec: fix error handling in netsec_register_mdio() | |
| CVE-2022-50629 | wifi: rsi: Fix memory leak in rsi_coex_attach() | |
| CVE-2023-53742 | kcsan: Avoid READ_ONCE() in read_instrumented_memory() | |
| CVE-2023-53743 | PCI: Free released resource after coalescing | |
| CVE-2023-53744 | soc: ti: pm33xx: Fix refcount leak in am33xx_pm_probe | |
| CVE-2023-53745 | um: vector: Fix memory leak in vector_config | |
| CVE-2023-53746 | s390/vfio-ap: fix memory leak in vfio_ap device driver | |
| CVE-2023-53747 | vc_screen: reload load of struct vc_data pointer in vcs_write() to avoid UAF | |
| CVE-2023-53748 | media: mediatek: vcodec: Fix potential array out-of-bounds in decoder queue_setup | |
| CVE-2023-53750 | pinctrl: freescale: Fix a memory out of bounds when num_configs is 1 | |
| CVE-2023-53751 | cifs: fix potential use-after-free bugs in TCP_Server_Info::hostname |
Showing top 20 of 82 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
Same vendor: Linux
- CVE-2026-43500
rxrpc: Also unshare DATA/RESPONSE packets when paged frags a - CVE-2026-43475
scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT - CVE-2026-43474
fs: init flags_valid before calling vfs_fileattr_get - CVE-2026-43473
scsi: mpi3mr: Add NULL checks when resetting request and rep - CVE-2026-43472
unshare: fix unshare_fs() handling
V. Comments for CVE-2025-40296
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