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CVE-2025-71199— iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver

AI Predicted 5.5 Difficulty: Moderate EPSS 0.17% · P7

Possible ATT&CK Techniques 1AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinux23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< 4c83dd62595ee7b7c9298a4d19a256b6647e7240affected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< fdc8c835c637a3473878d1e7438c77ab8928af63affected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< 919d176b05776c7ede79c36744c823a07d631617affected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< 9795fe80976f8c31cafda7d44edfc0f532d1f7c4affected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< d7b6fc224c7f5d6d8adcb18037138d3cfe2bbdfeaffected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< d890234a91570542c228a20f132ce74f9fedd904affected
23ec2774f1cc168b1f32a2e0ed2709cb473bb94e< dbdb442218cd9d613adeab31a88ac973f22c4873affected
4.19affected
… +8 more rows
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I. Basic Information for CVE-2025-71199

Vulnerability Information
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Vulnerability Title
iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver at91_adc_interrupt can call at91_adc_touch_data_handler function to start the work by schedule_work(&st->touch_st.workq). If we remove the module which will call at91_adc_remove to make cleanup, it will free indio_dev through iio_device_unregister but quite a bit later. While the work mentioned above will be used. The sequence of operations that may lead to a UAF bug is as follows: CPU0 CPU1 | at91_adc_workq_handler at91_adc_remove | iio_device_unregister(indio_dev) | //free indio_dev a bit later | | iio_push_to_buffers(indio_dev) | //use indio_dev Fix it by ensuring that the work is canceled before proceeding with the cleanup in at91_adc_remove.
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，该漏洞源于工作队列未在清理前取消，可能导致释放后重用。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 23ec2774f1cc168b1f32a2e0ed2709cb473bb94e ~ 4c83dd62595ee7b7c9298a4d19a256b6647e7240 -
LinuxLinux 4.19 -

II. Public POCs for CVE-2025-71199

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III. Intelligence Information for CVE-2025-71199

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Same Patch Batch · Linux · 2026-02-04 · 79 CVEs total

CVE-2026-230988.8 HIGHnetrom: fix double-free in nr_route_frame()
CVE-2026-230667.8 HIGHrxrpc: Fix recvmsg() unconditional requeue
CVE-2026-230747.8 HIGHnet/sched: Enforce that teql can only be used as root qdisc
CVE-2026-230777.8 HIGHmm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
CVE-2026-231057.8 HIGHnet/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag
CVE-2026-231037.8 HIGHipvlan: Make the addrs_lock be per port
CVE-2026-230957.5 HIGHgue: Fix skb memleak with inner IP protocol 0.
CVE-2025-711927.0 HIGHALSA: ac97: fix a double free in snd_ac97_controller_register()
CVE-2026-23064net/sched: act_ife: avoid possible NULL deref
CVE-2026-23065platform/x86/amd: Fix memory leak in wbrf_record()
CVE-2026-23067iommu/io-pgtable-arm: fix size_t signedness bug in unmap path
CVE-2026-23042idpf: fix aux device unplugging when rdma is not supported by vport
CVE-2026-23060crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec
CVE-2026-23059scsi: qla2xxx: Sanitize payload size to prevent member overflow
CVE-2026-23058can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak
CVE-2026-23057vsock/virtio: Coalesce only linear skb
CVE-2026-23056uacce: implement mremap in uacce_vm_ops to return -EPERM
CVE-2025-71198iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection
CVE-2025-71197w1: therm: Fix off-by-one buffer overflow in alarms_store
CVE-2026-23061can: kvaser_usb: kvaser_usb_read_bulk_callback(): fix URB memory leak

Showing top 20 of 79 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-71199

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